alacrity /əˈlakrᵻti/ noun2 •Eagerness; liveliness; enthusiasm.I have not that alacrity of spirit / Nor cheer of mind that I was wont to have. — 1593 •Promptness; speed.He had a uniform jacket with one button off, and seeing a white man on the path, hoisted his weapon to his shoulder with alacrity. — 1899 formsalacrities