A number of warships operating together under one command. A number of vessels having a shared origin, purpose, or area of operation: the Japanese merchant fleet; the North Pacific fishing fleet. A group of vehicles, such as taxicabs or airliners, owned or operated as a unit. Moving swiftly and nimbly. See Synonyms at fast1. Fleeting; evanescent. To move or pass swiftly: The summer days fleeted by. To fade; vanish: beauty that is fleeting away. Obsolete To flow. Obsolete To drift. To cause (time) to pass quickly. Nautical To alter the position of (tackle or rope, for example).