celerity Meaning, Definition & Usage

  1. noun a rate that is rapid
    quickness; rapidness; speediness; rapidity.

WordNet

Ce*ler"i*ty noun
Etymology
L. celeritas, from celer swiftm speedy: sf. F. célérité.
Definitions
  1. Rapidity of motion; quickness; swiftness.
    Time, with all its celerity, moves slowly to him whose whole employment is to watch its flight. Johnson.

Webster 1913