• Daily Crossword
  • Word Puzzle
  • Word Finder
  • Word of the Day

Synonym of the Day

  • Word of the Year
  • Language stories
  • All featured
  • Gender and sexuality
  • All pop culture
  • Grammar Coach ™
  • Writing hub
  • Grammar essentials
  • Commonly confused
  • All writing tips
  • Pop culture
  • Writing tips

Advertisement

noun as in belief, assumption to be tested

Strongest matches

  • proposition
  • supposition

Strong matches

  • contestation
  • postulation
  • presumption
  • presupposition

noun as in written dissertation

  • argumentation
  • composition
  • disquisition

Weak matches

Discover More

Related words.

Words related to thesis are not direct synonyms, but are associated with the word thesis . Browse related words to learn more about word associations.

noun as in putting regard in as true

  • expectation
  • understanding

noun as in main part of written work

  • dissertation

noun as in written or musical creation

  • arrangement
  • literary work
  • short story

noun as in argument for idea

  • advancement
  • affirmation
  • asseveration
  • declaration
  • explanation
  • maintaining
  • predication

Viewing 5 / 43 related words

Example Sentences

In “Back Home,” Gil also revisits the nostalgia for the South explored in his Johns Hopkins thesis, “Circle of Stone.”

At least father and son were in alignment on this central thesis: acting “gay”—bad; being thought of as gay—bad.

Her doctoral thesis, says Ramin Takloo at the University of Illinois, was simply outstanding.

Marshall McLuhan long ago argued the now accepted thesis that different mediums have different influences on thinking.

He wrote his Master's thesis on the underrepresentation of young people in Congress.

And indeed for most young men a college thesis is but an exercise for sharpening the wits, rarely dangerous in its later effects.

It will be for the reader to determine whether the main thesis of the book has gained or lost by the new evidence.

But the word thesis, when applied to Systems, does not mean the 'position' of single notes, but of groups of notes.

This conclusion, it need hardly be said, is in entire agreement with the main thesis of the preceding pages.

Sundry outlying Indians, with ammunition to waste, took belly and knee rests and strengthened the thesis to the contrary.

Start each day with the Synonym of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

On this page you'll find 90 synonyms, antonyms, and words related to thesis, such as: contention, hypothesis, opinion, premise, proposition, and supposition.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

Related Words and Phrases

Bottom_desktop desktop:[300x250].

  • TheFreeDictionary
  • Word / Article
  • Starts with
  • Free toolbar & extensions
  • Word of the Day
  • Free content

Synonyms for thesis

  • proposition
  • line of argument
  • dissertation
  • composition
  • disquisition
  • supposition

a hypothetical controversial proposition

  • contestation

a thorough, written presentation of an original point of view

Something taken to be true without proof.

  • postulation
  • presupposition

an unproved statement put forward as a premise in an argument

Related words, a treatise advancing a new point of view resulting from research.

  • thermoplastic
  • thermoplastic resin
  • Thermopsis macrophylla
  • Thermopsis villosa
  • Thermopylae
  • thermoreceptor
  • thermoregulator
  • thermos bottle
  • thermos flask
  • thermosetting
  • thermosetting compositions
  • thermosetting resin
  • thermosphere
  • thermostatics
  • thermotherapy
  • thermotropism
  • theropod dinosaur
  • Thespesia populnea
  • Thessalonian
  • Thessalonica
  • Thessaloniki
  • theta rhythm
  • Thevetia neriifolia
  • Thevetia peruviana
  • thiabendazole
  • thiamine pyrophosphate
  • these unmitigated disaster
  • these ups and downs
  • these were tailor made
  • these were tailor-made
  • these white lies
  • these words of wisdom
  • Thèses En Ligne
  • Theseus and Pirithoüs
  • Thesiger, Wilfred (Patrick)
  • Thesis (academic)
  • Thesis defence
  • Thesis, Rule, Explanation, Analysis, Thesis
  • Thesis-Antithesis-Synthesis
  • Thesmophoria
  • Thesmophoros
  • Thesmorphia
  • Thesmothete
  • Facebook Share
  • ABBREVIATIONS
  • BIOGRAPHIES
  • CALCULATORS
  • CONVERSIONS
  • DEFINITIONS

Synonyms.com

  Vocabulary      

What is another word for Thesis ?

Synonyms for thesis ˈθi sɪs the·sis, this thesaurus page includes all potential synonyms, words with the same meaning and similar terms for the word thesis ., princeton's wordnet rate these synonyms: 0.0 / 0 votes.

thesis noun

an unproved statement put forward as a premise in an argument

Synonyms: dissertation

dissertation, thesis noun

a treatise advancing a new point of view resulting from research; usually a requirement for an advanced academic degree

Synonyms: dissertation , thesis

Matched Categories

Dictionary of english synonymes rate these synonyms: 4.0 / 1 vote.

Synonyms: proposition , position , dictum , doctrine

Synonyms: theme , subject , topic , text

Synonyms: essay , dissertation , composition

PPDB, the paraphrase database Rate these paraphrases: 5.0 / 1 vote

List of paraphrases for "thesis":

dissertation , theses , theory , argument , proposition , contention , memory

Suggested Resources

Song lyrics by thesis -- Explore a large variety of song lyrics performed by thesis on the Lyrics.com website.

How to pronounce Thesis?

How to say thesis in sign language, words popularity by usage frequency, how to use thesis in a sentence.

Maxim Behar :

My global PR revolution thesis will certainly not go down without criticism. The most severe criticism should be expected from the people who don`t know the PR industry. They might say, Revolution? What revolution? Facebook is just out there anyway!

Bill Gross :

But like (former Fed chairman Paul) Volcker recognized in 1979, the time has come for a new thesis that restores the savings function to developed economies that permit liability based business models to survive – if only on a shoestring – and that ultimately leads to rejuvenated private investment, which is the essence of a healthy economy, near term pain? Yes. Long term gain? Almost certainly. Get off zero now!

Greg Abbott :

People who think maybe we can implement tough gun laws and we can solve it -- Chicago, New York and LA disprove that thesis. Chicago teaches you that what you are talking about isn't a real solution.

Richard Aboulafia :

That's a thesis that has never been put to the test, but it's about to be.

Turkish Foreign Minister Mevlut Cavusoglu :

If Greece believes in itself, if it has the courage and trusts its thesis, then ... let it come and sit at the table.

Use the citation below to add these synonyms to your bibliography:

Style: MLA Chicago APA

"Thesis." Synonyms.com. STANDS4 LLC, 2024. Web. 12 Apr. 2024. < https://www.synonyms.com/synonym/Thesis >.

Cite.Me

Discuss these Thesis synonyms with the community:

 width=

Report Comment

We're doing our best to make sure our content is useful, accurate and safe. If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly.

You need to be logged in to favorite .

Create a new account.

Your name: * Required

Your email address: * Required

Pick a user name: * Required

Username: * Required

Password: * Required

Forgot your password?    Retrieve it

Are we missing a good synonym for Thesis ?

Image credit, the web's largest resource for, synonyms & antonyms, a member of the stands4 network, image or illustration of.

thesis synonyms english

Free, no signup required :

Add to chrome, add to firefox, browse synonyms.com, are you a human thesaurus, which is an antonym for obstreperous, nearby & related entries:.

  • thesaurus noun
  • Thesis noun
  • thespian adj
  • thessalonica noun
  • thessalonika
  • thessaloniki noun
  • theta rhythm noun

Alternative searches for Thesis :

  • Search for Thesis on Amazon

thesis synonyms english

  • More from M-W
  • To save this word, you'll need to log in. Log In

Definition of thesis

Did you know.

In high school, college, or graduate school, students often have to write a thesis on a topic in their major field of study. In many fields, a final thesis is the biggest challenge involved in getting a master's degree, and the same is true for students studying for a Ph.D. (a Ph.D. thesis is often called a dissertation ). But a thesis may also be an idea; so in the course of the paper the student may put forth several theses (notice the plural form) and attempt to prove them.

Examples of thesis in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'thesis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

in sense 3, Middle English, lowering of the voice, from Late Latin & Greek; Late Latin, from Greek, downbeat, more important part of a foot, literally, act of laying down; in other senses, Latin, from Greek, literally, act of laying down, from tithenai to put, lay down — more at do

14th century, in the meaning defined at sense 3a(1)

Dictionary Entries Near thesis

the sins of the fathers are visited upon the children

thesis novel

Cite this Entry

“Thesis.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/thesis. Accessed 11 Apr. 2024.

Kids Definition

Kids definition of thesis, more from merriam-webster on thesis.

Nglish: Translation of thesis for Spanish Speakers

Britannica English: Translation of thesis for Arabic Speakers

Britannica.com: Encyclopedia article about thesis

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Play Quordle: Guess all four words in a limited number of tries.  Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Word of the day.

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

Your vs. you're: how to use them correctly, every letter is silent, sometimes: a-z list of examples, more commonly mispronounced words, how to use em dashes (—), en dashes (–) , and hyphens (-), absent letters that are heard anyway, popular in wordplay, 12 bird names that sound like compliments, 10 scrabble words without any vowels, 12 more bird names that sound like insults (and sometimes are), 8 uncommon words related to love, 9 superb owl words, games & quizzes.

Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

  • Dictionaries home
  • American English
  • Collocations
  • German-English
  • Grammar home
  • Practical English Usage
  • Learn & Practise Grammar (Beta)
  • Word Lists home
  • My Word Lists
  • Recent additions
  • Resources home
  • Text Checker

Definition of thesis noun from the Oxford Advanced Learner's Dictionary

  • Students must submit a thesis on an agreed subject within four years.
  • He presented this thesis for his PhD.
  • a thesis for a master's degree
  • He's doing a doctoral thesis on the early works of Shostakovich.
  • Many departments require their students to do a thesis defense.
  • She completed an MSc by thesis.
  • her thesis adviser at MIT
  • in a/​the thesis
  • thesis about

Take your English to the next level

The Oxford Learner’s Thesaurus explains the difference between groups of similar words. Try it for free as part of the Oxford Advanced Learner’s Dictionary app

thesis synonyms english

Definition of 'thesis'

IPA Pronunciation Guide

Video: pronunciation of thesis

Youtube video

thesis in American English

Thesis in british english, examples of 'thesis' in a sentence thesis, related word partners thesis, trends of thesis.

View usage over: Since Exist Last 10 years Last 50 years Last 100 years Last 300 years

In other languages thesis

  • American English : thesis / ˈθisɪs /
  • Brazilian Portuguese : tese
  • Chinese : 论点
  • European Spanish : tesis
  • French : thèse
  • German : These
  • Italian : tesi
  • Japanese : 主張
  • Korean : 논지
  • European Portuguese : tese
  • Spanish : tesis
  • Thai : ข้อสมมุติ, ข้อวินิจฉัย

Browse alphabetically thesis

  • thesis play
  • thesmothete
  • All ENGLISH words that begin with 'T'

Related terms of thesis

  • academic thesis
  • central thesis
  • doctoral thesis
  • View more related words

Quick word challenge

Quiz Review

Score: 0 / 5

Image

Wordle Helper

Tile

Scrabble Tools

Image

  • Daily Crossword
  • Word Puzzle
  • Word Finder
  • Word of the Day
  • Synonym of the Day
  • Word of the Year
  • Language stories
  • All featured
  • Gender and sexuality
  • All pop culture
  • Grammar Coach ™
  • Writing hub
  • Grammar essentials
  • Commonly confused
  • All writing tips
  • Pop culture
  • Writing tips

a proposition stated or put forward for consideration, especially one to be discussed and proved or to be maintained against objections: He vigorously defended his thesis on the causes of war.

a subject for a composition or essay.

a dissertation on a particular subject in which one has done original research, as one presented by a candidate for a diploma or degree.

Music . the downward stroke in conducting; downbeat. : Compare arsis (def. 1) .

a part of a metrical foot that does not bear the ictus or stress.

(less commonly) the part of a metrical foot that bears the ictus. : Compare arsis (def. 2) .

Philosophy . See under Hegelian dialectic .

Origin of thesis

Word story for thesis, other words for thesis, words that may be confused with thesis.

  • 1. antithesis , synthesis , thesis
  • 2. dissertation , thesis

Words Nearby thesis

  • shit will hit the fan, the
  • shoe is on the other foot, the
  • short end of the stick, the
  • The show must go on
  • thesis play
  • thesis statement
  • Sketch Book, The
  • Skin of Our Teeth, The
  • sky's the limit, the

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use thesis in a sentence

“The Saudis have been proving the thesis of the film — they do in fact have an army,” said Thor Halvorssen, founder and chief executive of the nonprofit Human Rights Foundation, which funded the movie.

It’s a hypothesis that Bush pursued in her master’s thesis , and last year she began attending virtual Goth parties in a final round of field work before defending her doctoral thesis later this year.

While this partnership was planned prior to the coronavirus outbreak, co-founder Jordana Kier said the pandemic instantly proved out the expansion thesis .

They’ve had to defend that thesis for a very, very long time in front of a variety of different customers and different people.

Over the past decade, In-Q-Tel has been one of the most active investors in the commercial space sector, with a broad investment thesis that touches many aspects of the sector.

In “Back Home,” Gil also revisits the nostalgia for the South explored in his Johns Hopkins thesis , “Circle of Stone.”

At least father and son were in alignment on this central thesis : acting “gay”—bad; being thought of as gay—bad.

Her doctoral thesis , says Ramin Takloo at the University of Illinois, was simply outstanding.

Marshall McLuhan long ago argued the now accepted thesis that different mediums have different influences on thinking.

He wrote his Master's thesis  on the underrepresentation of young people in Congress.

And indeed for most young men a college thesis is but an exercise for sharpening the wits, rarely dangerous in its later effects.

It will be for the reader to determine whether the main thesis of the book has gained or lost by the new evidence.

But the word thesis , when applied to Systems, does not mean the 'position' of single notes, but of groups of notes.

This conclusion, it need hardly be said, is in entire agreement with the main thesis of the preceding pages.

Sundry outlying Indians, with ammunition to waste, took belly and knee rests and strengthened the thesis to the contrary.

British Dictionary definitions for thesis

/ ( ˈθiːsɪs ) /

a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma

a doctrine maintained or promoted in argument

a subject for a discussion or essay

an unproved statement, esp one put forward as a premise in an argument

music the downbeat of a bar, as indicated in conducting

(in classical prosody) the syllable or part of a metrical foot not receiving the ictus : Compare arsis

philosophy the first stage in the Hegelian dialectic, that is challenged by the antithesis

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for thesis

The central idea in a piece of writing, sometimes contained in a topic sentence .

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cambridge Dictionary

  • Cambridge Dictionary +Plus

Synonyms and antonyms of theses in English

{{randomImageQuizHook.quizId}}

Word of the Day

singing or playing notes that are at the right pitch (= level) or that agree with others being sung or played

Alike and analogous (Talking about similarities, Part 1)

Alike and analogous (Talking about similarities, Part 1)

Learn more with +Plus

  • Recent and Recommended {{#preferredDictionaries}} {{name}} {{/preferredDictionaries}}
  • Definitions Clear explanations of natural written and spoken English English Learner’s Dictionary Essential British English Essential American English
  • Grammar and thesaurus Usage explanations of natural written and spoken English Grammar Thesaurus
  • Pronunciation British and American pronunciations with audio English Pronunciation
  • English–Chinese (Simplified) Chinese (Simplified)–English
  • English–Chinese (Traditional) Chinese (Traditional)–English
  • English–Dutch Dutch–English
  • English–French French–English
  • English–German German–English
  • English–Indonesian Indonesian–English
  • English–Italian Italian–English
  • English–Japanese Japanese–English
  • English–Norwegian Norwegian–English
  • English–Polish Polish–English
  • English–Portuguese Portuguese–English
  • English–Spanish Spanish–English
  • English–Swedish Swedish–English
  • Dictionary +Plus Word Lists

Add ${headword} to one of your lists below, or create a new one.

{{message}}

Something went wrong.

There was a problem sending your report.

thesis synonyms english

Meaning of "thesis" in the English dictionary

Etymology of the word thesis, pronunciation of thesis, grammatical category of thesis, what does thesis mean in english.

thesis

Definition of thesis in the English dictionary

The first definition of thesis in the dictionary is a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma. Other definition of thesis is a doctrine maintained or promoted in argument. Thesis is also a subject for a discussion or essay.

WORDS THAT RHYME WITH THESIS

Words that begin like thesis, words that end like thesis, synonyms and antonyms of thesis in the english dictionary of synonyms, synonyms of «thesis», words relating to «thesis», translation of «thesis» into 25 languages.

online translator

TRANSLATION OF THESIS

Translator english - chinese, translator english - spanish, translator english - hindi, translator english - arabic, translator english - russian, translator english - portuguese, translator english - bengali, translator english - french, translator english - malay, translator english - german, translator english - japanese, translator english - korean, translator english - javanese, translator english - vietnamese, translator english - tamil, translator english - marathi, translator english - turkish, translator english - italian, translator english - polish, translator english - ukrainian, translator english - romanian, translator english - greek, translator english - afrikaans, translator english - swedish, translator english - norwegian, trends of use of thesis, tendencies of use of the term «thesis».

Trends

FREQUENCY OF USE OF THE TERM «THESIS» OVER TIME

Examples of use in the english literature, quotes and news about thesis, 10 quotes with «thesis», 10 english books relating to «thesis», 10 news items which include the term «thesis».

IMAGES

  1. Main Thesis synonyms

    thesis synonyms english

  2. THESIS: Synonyms and Related Words. What is Another Word for THESIS

    thesis synonyms english

  3. Academic Thesis synonyms

    thesis synonyms english

  4. 50 Examples of Synonyms With Sentences

    thesis synonyms english

  5. Thesis Statement: Definition and Useful Examples of Thesis Statement

    thesis synonyms english

  6. THESIS: Synonyms and Related Words. What is Another Word for THESIS

    thesis synonyms english

VIDEO

  1. Synonyms, English word meaning (IELTS /PTE)

  2. Thesis Statement. #english #essay #shorts #education #writting

  3. Synonyms English grammar #trending #englishgrammar #english #class #teaching #archna

  4. Advanced English Synonyms Vocabulary

  5. words and their synonyms: English Grammar| vocabulary| #viral #fypシ #viralvideo #english

  6. English Grammar { Synonyms & Antonyms}@devyadavonlineclasses

COMMENTS

  1. 48 Synonyms & Antonyms for THESIS

    Find 48 different ways to say THESIS, along with antonyms, related words, and example sentences at Thesaurus.com.

  2. THESIS Synonyms: 44 Similar and Opposite Words

    Synonyms for THESIS: argument, contention, assertion, hypothesis, theory, guess, assumption, hunch; Antonyms of THESIS: fact, knowledge, assurance, certainty

  3. THESIS

    THESIS - Synonyms, related words and examples | Cambridge English Thesaurus

  4. What is another word for thesis?

    Synonyms for thesis include hypothesis, supposition, theory, belief, assumption, opinion, argument, surmise, notion and postulation. Find more similar words at ...

  5. THESIS Synonyms

    Synonyms for THESIS in English: proposition, theory, hypothesis, idea, view, opinion, proposal, contention, line of argument, dissertation, …

  6. Thesis synonyms

    Another way to say Thesis? Synonyms for Thesis (other words and phrases for Thesis). Synonyms for Thesis. 1 128 other terms for thesis- words and phrases with similar meaning. Lists. synonyms. antonyms. definitions. sentences. thesaurus. words. phrases. idioms. Parts of speech. nouns. verbs.

  7. Thesis Synonyms and Antonyms

    Synonyms for THESIS: contention, contestation, hypothesis, belief, argument, postulate, premise, opinion, theory, principle, assumption, postulation, composition ...

  8. THESIS in Thesaurus: 1000+ Synonyms & Antonyms for THESIS

    What's the definition of Thesis in thesaurus? Most related words/phrases with sentence examples define Thesis meaning and usage. Thesaurus for Thesis. Related terms for thesis- synonyms, antonyms and sentences with thesis. Lists. synonyms. antonyms. definitions. sentences. thesaurus.

  9. thesis

    35,000 word(s) thesis - English Only forum a master thesis - English Only forum A professor having supervised the thesis work of an applicant during his/her doctoral studies - English Only forum Achieving top ranking/ top ranking student for MSc Thesis - English Only forum Acknowledgements of the thesis - English Only forum Addressing the inter-cell topics, the thesis has identified the inter ...

  10. Thesis

    thesis: 1 n an unproved statement put forward as a premise in an argument Type of: assumption , premise , premiss a statement that is assumed to be true and from which a conclusion can be drawn n a treatise advancing a new point of view resulting from research; usually a requirement for an advanced academic degree Synonyms: dissertation Type ...

  11. Thesis synonyms, thesis antonyms

    Synonyms for thesis in Free Thesaurus. Antonyms for thesis. 37 synonyms for thesis: proposition, theory, hypothesis, idea, view, opinion, proposal, contention, line ...

  12. Thesis Synonyms & Antonyms

    Find all the synonyms and alternative words for Thesis at Synonyms.com, the largest free online thesaurus, antonyms, definitions and translations resource on the web. ... Dictionary of English Synonymes Rate these synonyms: 4.0 / 1 vote. thesis noun. Synonyms: proposition, position, dictum, doctrine. thesis noun. Synonyms: theme, subject, topic ...

  13. Thesis Definition & Meaning

    The meaning of THESIS is a dissertation embodying results of original research and especially substantiating a specific view; especially : one written by a candidate for an academic degree. ... Synonyms of thesis. 1: ... Middle English, lowering of the voice, from Late Latin & Greek; Late Latin, from Greek, ...

  14. THESIS

    THESIS meaning: 1. a long piece of writing on a particular subject, especially one that is done for a higher…. Learn more.

  15. Synonyms of THESIS

    Thesaurus for thesis from the Collins English Thesaurus. Read about the team of authors behind Collins Dictionaries. 1 2 3. New from Collins Quick word challenge. Quiz Review. Question: 1 - Score: 0 / 5. SYNONYMS. Select the synonym for: love. rapture loathing belief abhorrence. SYNONYMS. Select the synonym for: salary. gadget vow wage forgery.

  16. THESIS definition and meaning

    7 meanings: 1. a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma 2. a.... Click for more definitions.

  17. THESIS

    THESIS definition: 1. a long piece of writing on a particular subject, especially one that is done for a higher…. Learn more.

  18. thesis noun

    thesis (that…) a statement or an opinion that is discussed in a logical way and presented with evidence in order to prove that it is true. The basic thesis of the book is fairly simple. These latest findings support the thesis that sexuality is determined by nature rather than choice.

  19. THESIS definition in American English

    thesis in American English. (ˈθisɪs) noun Word forms: plural -ses (-siz) 1. a proposition stated or put forward for consideration, esp. one to be discussed and proved or to be maintained against objections. He vigorously defended his thesis on the causes of war. 2. a subject for a composition or essay. 3.

  20. THESIS Definition & Meaning

    Thesis definition: a proposition stated or put forward for consideration, especially one to be discussed and proved or to be maintained against objections. See examples of THESIS used in a sentence.

  21. theses

    theses - Synonyms, related words and examples | Cambridge English Thesaurus

  22. THESIS

    Definition of thesis in the English dictionary. The first definition of thesis in the dictionary is a dissertation resulting from original research, esp when submitted by a candidate for a degree or diploma. Other definition of thesis is a doctrine maintained or promoted in argument.Thesis is also a subject for a discussion or essay.