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.

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.

1. arousing great merriment; extremely funny. 2. boisterously merry or cheerful: feeling hilarious from the champagne.

Nov 6, 2025 · hilarious (comparative more hilarious, superlative most hilarious) Very funny; causing great merriment and laughter. synonym Synonyms: see Thesaurus: funny a hilarious …

Mar 3, 2025 · Master the word "HILARIOUS" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

Factsheet What does the adjective hilarious mean? There are three meanings listed in OED's entry for the adjective hilarious. See ‘Meaning & use’ for definitions, usage, and quotation …

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

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.