The definition of fleet is something that moves swiftly.
Characterized by rapid motion; swift.
Not slow or hesitating; quick in action or perception of any kind; dexterous; prompt; easy; expert.
Moving, progressing, or occurring with speed; swift; fast; quick
Reacting immediately and sharply:
Quick to act or to do what is required; ready, punctual, etc.
Done or made with haste; quick; hurried
Firmly fixed or fastened:
Quick in manner or movement; energetic
(--- popularly) Not diphthongized [the short a in “pan”]
Short in length
Marked by a retarded tempo:
Find another word for swiftest. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for swiftest, like: fleetest, speediest, snappiest, readiest, rapidest, quickest, promptest, hastiest, fastest, briskest and shortest.