alacrity

[əˈlækɹɨti]
[əˈlækɹɨti]

noun

  1. Eagerness; liveliness; enthusiasm.

  2. Promptness; speed.

Synonyms: avidity, eagerness, enthusiasm, willingness, briskness, celerity, haste, promptness, quickness, swiftness
Antonyms: apathy, disinclination, hesitance, indifference, reluctance