If something is hilarious, it is extremely funny and makes you laugh a lot. Extremely funny and causing a lot of laughter: Derivatives hilariousness origin of hilarious early 19th century:
Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Hilarious meaning, definition, what is hilarious: How to use hilarious in a sentence.
The meaning of hilarious is marked by or causing hilarity : Hilarious (comparative more hilarious, superlative most hilarious) very funny; Extremely funny and causing a lot of…. The sense ‘exceedingly amusing’ dates from the 1920s
See examples of hilarious used in a sentence. Causing great merriment and laughter. He had a fund of hilarious tales on the subject. We thought it was hilarious when we first heard about it.
Definition of hilarious adjective in oxford advanced learner's dictionary.