Meaning of hilarity

hi•lar•i•ty

Pronunciation: (hi-lar'i-tē, -lâr'-, hī-), [key]
— n.
  1. cheerfulness; merriment; mirthfulness.
  2. boisterous gaiety or merriment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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