/ Dictionary / Index D de-escalate: Meaning and Definition of Find definitions for: de-es•ca•late Pronunciation: (dē-es'ku-lāt"), [key] — -lat•ed, -lat•ing. to decrease in intensity, magnitude, etc.: to de-escalate a war. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: de-escalate (Thesaurus) dees deesis Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language