The meaning of HILARIOUS is marked by or causing hilarity : extremely funny. How to use hilarious in a sentence.
HILARIOUS definition: 1. extremely funny and causing a lot of laughter: 2. extremely funny and causing a lot of…. Learn more.
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.
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- arousing great merriment; extremely funny. 2. boisterously merry or cheerful: feeling hilarious from the champagne.
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.
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 Monty Python? I think they're hilarious. Full of hilarity; merry.
hi lar i ous ly, adv. WordReference Random House Unabridged Dictionary of American English © 2026 hi lar i ous (hi lâr′ ē əs, -lar′ -, hī-), adj. arousing great merriment; extremely funny: a hilarious story; a hilarious old movie. boisterously merry or cheerful: a hilarious celebration. merry; cheerful.
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. Much less commonly, it used to mean very merry or cheerful, as in a hilarious celebration.
Hilarious is an adjective that describes a high degree of humor. Things that are funny can cause you to smile or giggle, but when something is hilarious, it causes you to laugh out loud.
Definition of hilarious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Define hilarious. hilarious synonyms, hilarious pronunciation, hilarious translation, English dictionary definition of hilarious. adj. Characterized by or causing great merriment. hi lar′i ous ly adv. hi lar′i ous ness n. American Heritage® Dictionary of the English Language, Fifth...
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HILARIOUS definition: arousing great merriment; extremely funny. See examples of hilarious used in a sentence.
One person can find a joke a little funny, while someone else might find it downright hilarious. When something is super-funny, it's hilarious.
Synonyms for HILARIOUS: funny, humorous, comedic, amusing, comical, ridiculous, comic, hysterical; Antonyms of HILARIOUS: lame, serious, humorless, earnest, unfunny ...