hilarious

[ hi-lair-ee-uhs, -lar-, hahy- ]
/ hɪˈlɛər i əs, -ˈlær-, haɪ- /
See synonyms for: hilarious / hilariously / hilariousness on Thesaurus.com

adjective

arousing great merriment; extremely funny: a hilarious story; a hilarious old movie.
boisterously merry or cheerful: a hilarious celebration.
merry; cheerful.

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Origin of hilarious

1815–25; <Latin hilar(is), hilar(us) cheerful (<Greek hilarós) + -ious

OTHER WORDS FROM hilarious

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for hilarious

British Dictionary definitions for hilarious

hilarious
/ (hɪˈlɛərɪəs) /

adjective

very funny or merry

Derived forms of hilarious

hilariously, adverbhilariousness, noun

Word Origin for hilarious

C19: from Latin hilaris glad, from Greek hilaros
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012