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Jan 17, 2026 · 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 …

Hilarious definition: Characterized by or causing great merriment.

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.

extremely funny: a hilarious story; a hilarious old movie. boisterously merry or cheerful: a hilarious celebration. cheerful. hi•lar′i•ous•ness, n. 2. lively, jolly, rollicking, high-spirited. 2. sad, serious, …

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.

hilarious meaning, definition, what is hilarious: extremely funny: Learn more.

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

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: 1. extremely funny and causing a lot of laughter: 2. extremely funny and causing a lot of…. Learn more.

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

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: 1. extremely funny and causing a lot of laughter: 2. extremely funny and causing a lot of…. Learn more.