[ suh-ler-i-tee ]
/ səˈlɛr ɪ ti /


swiftness; speed.

Origin of celerity

1480–90; earlier celerite < Middle French < Latin celeritās, equivalent to celer swift + -itās -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for celerity


/ (sɪˈlɛrɪtɪ) /


rapidity; swiftness; speed

Word Origin for celerity

C15: from Old French celerite, from Latin celeritās, from celer swift
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for celerity



late 15c., from Old French celeritee (14c., Modern French célérité), from Latin celeritatem (nominative celeritas) "swiftness," from celer "swift," from possible PIE root *kel- "to drive, set in swift motion" (cf. Sanskrit carati "goes," Greek keles "fast horse or ship," keleuthos "journey, road," Lithuanian sulys "a gallop," Old High German scelo "stallion").

Online Etymology Dictionary, © 2010 Douglas Harper