What do a.m. and p.m. stand for?


[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
alacrity, dispatch, briskness. See speed. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for celerity
  • The findings support the swiftness or celerity element of deterrence theory.
  • For deep water waves, the wave height is virtually unaffected by the depth and the wave celerity is unaffected by the bottom.
  • The kinematic wave celerity, c k, is interpreted as the velocity at which a disturbance travels through the channel network.
  • As the storm sewer fills, the flow will return to subcritical as the celerity increases rapidly.
British Dictionary definitions for celerity


rapidity; swiftness; speed
Word Origin
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
Cite This Source
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
Cite This Source

Word of the Day

Difficulty index for celerity

Few English speakers likely know this word

Word Value for celerity

Scrabble Words With Friends

Quotes with celerity