mirth and merriment; cheerfulness
WordReference Random House Learner's Dictionary of American English © 2025
hi•lar•i•ty /hɪˈlɛrɪti, -ˈlær-/USA pronunciation n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- the state or condition of being hilarious.
hi•lar•i•ty
(hi lar′i tē, -lâr′-, hī-),USA pronunciation n.
- cheerfulness;
merriment;
mirthfulness. - boisterous gaiety or merriment.
- Latin hilaritās, equivalent. to hilari(s) (see hilarious) + -tās -ty2
- earlier hilaritie 1560–70
- 2.See corresponding entry in Unabridged See mirth.
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'hilarity' also found in these entries (note: many are not synonyms or translations):