hilarity

[ hi-lar-i-tee, -lair-, hahy- ]
/ hɪˈlær ɪ ti, -ˈlɛər-, haɪ- /

noun

cheerfulness; merriment; mirthfulness.
boisterous gaiety or merriment.

Origin of hilarity

1560–70; earlier hilaritie < Latin hilaritās, equivalent to hilari(s) (see hilarious) + -tās -ty2
Related formshy·per·hi·lar·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hilarity

British Dictionary definitions for hilarity

hilarity

/ (hɪˈlærɪtɪ) /

noun

mirth and merriment; cheerfulness
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

Word Origin and History for hilarity

hilarity


n.

mid-15c., from Latin hilaritatem (nominative hilaritas) "cheerfulness, gaiety, merriment," from hilaris "cheerful, gay," from Greek hilaros "cheerful, gay, merry, joyous," related to hilaos "graceful, kindly." In ancient Rome, Hilaria (neuter plural of hilaris) were a class of holidays, times of pomp and rejoicing; there were public ones in honor of Cybele at the spring equinoxes as well as private ones on the day of a marriage or a son's birth.

Online Etymology Dictionary, © 2010 Douglas Harper