'Celerity' definitions:

Definition of 'celerity'

From: WordNet
noun
A rate that is rapid [syn: celerity, quickness, rapidity, rapidness, speediness]

Definition of 'Celerity'

From: GCIDE
  • Celerity \Ce*ler"i*ty\, n. [L. celeritas, from celer swiftm speedy: sf. F. c['e]l['e]rit['e].] Rapidity of motion; quickness; swiftness. [1913 Webster]
  • Time, with all its celerity, moves slowly to him whose whole employment is to watch its flight. --Johnson. [1913 Webster]