/ Dictionary / Index Q quantify: Meaning and Definition of Find definitions for: quan•ti•fy Pronunciation: (kwon'tu-fī"), [key] — -fied, -fy•ing. to determine, indicate, or express the quantity of. to make explicit the quantity of (a proposition). to give quantity to (something regarded as having only quality). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quantify (Thesaurus) quantifier quantile Related Content Daily Word Quiz: draconian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language