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thesis - definition and synonyms


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noun [countable] thesis pronunciation in British English /ˈθiːsɪs/
Word Forms
  1. 1
    a long piece of writing that is the final part of an advanced university degree
    thesis on:

    He wrote a doctoral thesis on the works of Carlo Crivelli.

  2. 2
    formal an idea, opinion, or theory that is used to explain something

    I don’t agree with the central thesis of the article.

    someone’s thesis (is) that:

    Research confirms her thesis that not all women enjoy shopping.



a title used before a man or woman's name as a gender-neutral alternative to Mr, Ms, etc

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another way of saying congratulations, or that something/someone looks nice or fascinating

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