/ Dictionary / Index C celerity: Meaning and Definition of Find definitions for: ce•ler•i•ty Pronunciation: (su-ler'i-tē), [key] — n. swiftness; speed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: celerity (Thesaurus) celeriac celery Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language