Ce-lĕr'-i-ty, n.

noun

n. [Lat. celeritas, from celer, swift, speedy; Fr. célérité, Pr. celeritat, Sp. celeridad, Pg. celeridade, It. celerità.] Rapidity of motion; swiftness; speed; velocity; quickness.

Time, with all its celerity, moves slowly to him whose whole employment is to watch its flight. Johnson.