adj. fleet, fast, rapid, speedy, hasty, lively, nimble, expeditious; quick, brisk, sudden, abrupt The postman was bent on the swift completion of his rounds What Bill needs is a swift kick to jolt him out of his lethargy.
SWIFT
Meaning of SWIFT in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012