/ Dictionary / Index U unlatch: Meaning and Definition of Find definitions for: un•latch Pronunciation: (un-lach'), [key] — v.t. to unfasten (a door, window shutter, etc.) by lifting the latch. —v.i. to become unlatched. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unlash unlawful Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language