/ Dictionary / Index I intensify: Meaning and Definition of Find definitions for: in•ten•si•fy Pronunciation: (in-ten'su-fī"), [key] — v., -fied, -fy•ing. —v.t. to make intense or more intense. to make more acute; strengthen or sharpen. to increase the density and contrast of (a negative) chemically. —v.i. to become intense or more intense. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intensify (Thesaurus) intensifier intension Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language