D defs.my
Entry 1 sense Webster, 1913

Fleetness

· Fleet·ness · IPA /ˈfliːt.nəs/
01 n. Swiftness; rapidity; velocity; celerity; speed; as, the fleetness of a horse or of time.
  1. 1.
    Swiftness; rapidity; velocity; celerity; speed; as, the fleetness of a horse or of time.