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Related to celerity: wave celerity
Swiftness of action or motion; speed. See Synonyms at haste.
[French célérité, from Old French, from Latin celeritās, from celer, swift.]
rapidity; swiftness; speed
[C15: from Old French celerite, from Latin celeritās, from celer swift]
ce•ler•i•ty(səˈlɛr ɪ ti)
[1480–90; < Middle French celerite < Latin celeritās=celer swift + -itās -ity]
syn: See speed.
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|Noun||1.||celerity - a rate that is rapid|
pace, rate - the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated"
fleetness - rapidity of movement; "fleetness of foot"
immediateness, instancy, instantaneousness, immediacy - the quickness of action or occurrence; "the immediacy of their response"; "the instancy of modern communication"
expeditiousness, despatch, dispatch, expedition - the property of being prompt and efficient; "it was done with dispatch"