hə̇ˈlarəd.ē, -ətē, -i also hīˈ- or -ler- noun
( -es )
Etymology: Middle French hilarité, from Latin hilaritat-, hilaritas, from hilarus, hilaris + -itat-, -itas -ity
1. : temperate gaiety : cheer , cheerfulness
wine gives not light, gay, ideal hilarity but tumultuous, noisy, clamorous merriment — Samuel Johnson
2. : boisterous merriment : intense mirth or laughter
in a continual gale of hilarity