Definition of thesis in English:

thesis

Syllabification: the·sis
Pronunciation: /ˈTHēsis
 
/

noun (plural theses /-sēz/)

  • 1A statement or theory that is put forward as a premise to be maintained or proved: his central thesis is that psychological life is not part of the material world
    More example sentences
    • The thesis you put forward equating leftist parties has the same credibility as the joke about Hitler and Stalin.
    • My impression of your central thesis is that, contrary to how we may view ourselves as a society, we are in fact a lot more uptight about sex than we'd like to believe.
    • Although ingeniously and entertainingly argued with a wealth of detail, the thesis is not conclusively proven.
    Synonyms
    theory, contention, argument, line of argument, proposal, proposition, idea, claim, premise, assumption, hypothesis, postulation, supposition
  • 1.1(In Hegelian philosophy) a proposition forming the first stage in the process of dialectical reasoning. Compare with antithesis, synthesis.
    More example sentences
    • Hegel never used the words 'thesis, antithesis, synthesis', as we all know.
    • The synthesis is a previously unrecognized direction that contains elements of both the thesis and antithesis.
  • 3 Prosody An unstressed syllable or part of a metrical foot in Greek or Latin verse. Often contrasted with arsis.
    More example sentences
    • Such verses often have a pause after the thesis of the second foot also.
    • A foot consists of arsis (one long syllable, usually) followed by thesis (another long syllable, or possibly two short ones making up the same amount of time).

Origin

late Middle English (sense 3): via late Latin from Greek, literally 'placing, a proposition', from the root of tithenai 'to place'.

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