definitions

hilarious

[ hi-lair-ee-uhs, -lar-, hahy- ]
/ hɪˈlɛər i əs, -ˈlær-, haɪ- /
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SEE MORE SYNONYMS FOR hilarious 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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RELATED WORDS

willingly, freely, peacefully, lovingly, merrily, heartily, gladly, cheerfully, blithely, gleefully, joyfully, graciously, playfully, enthusiastically, contentedly, joyously, blissfully, agreeably, gaily, lightly

Nearby words

hijrah, hike, hike out, hikoi, hilar, hilarious, hilarity, hilarius, hilary, hilary of poitiers, hilary term

Origin of hilarious

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

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hilariously

British Dictionary definitions for hilariously

hilarious

/ (hɪˈlɛərɪəs) /

adjective

very funny or merry

Derived Forms

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