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. Time, with all its celerity, moves slowly to him whose whole employment is to watch its flight. --Johnson. web1913
celerity n : a rate that is rapid [syn: {quickness}, {rapidity}] wn