Definition of hilarious adjective from the Oxford Advanced Learner's Dictionary. extremely funny. Lynn found the whole situation hilarious. Do you know Pete? He's hilarious.

Hilarious definition: Characterized by or causing great merriment.

Jan 17, 2026ย ยท Adjective hilarious (comparative more hilarious, superlative most hilarious) Very funny; causing great merriment and laughter. Synonyms: see Thesaurus: funny a hilarious joke Do you like โ€ฆ

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HILARIOUS definition: 1. extremely funny and causing a lot of laughter: 2. extremely funny and causing a lot ofโ€ฆ. Learn more.

Usage What does hilarious mean? Hilarious means extremely funny, like literally lol funny. Hilarious is most commonly used to describe someone or something (like a joke or a movie) as super funny.

  • arousing great merriment; extremely funny. 2. boisterously merry or cheerful: feeling hilarious from the champagne.
  • hilarious meaning, definition, what is hilarious: extremely funny: Learn more.

    If something is hilarious, it is extremely funny and makes you laugh a lot. We thought it was hilarious when we first heard about it. He had a fund of hilarious tales on the subject.

      The meaning of HILARIOUS is marked by or causing hilarity : extremely funny. How to use hilarious in a sentence.

      If something is hilarious, it is extremely funny and makes you laugh a lot. We thought it was hilarious when we first heard about it. He had a fund of hilarious tales on the subject.

        The meaning of HILARIOUS is marked by or causing hilarity : extremely funny. How to use hilarious in a sentence.

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