- agile, nimble, quick, spry - moving quickly and lightly; "sleek and agile as a gymnast"; "as nimble as a deer"; "nimble fingers"; "quick of foot"; "the old dog was so spry it was halfway up the stairs before we could stop it"
Antonym: inactive (indirect, via active)
- agile, nimble - mentally quick; "an agile mind"; "nimble wits"
Antonyms: unintelligent, stupid (indirect, via intelligent)