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 forms

hy·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