/ Dictionary / Index U unleash: Meaning and Definition of Find definitions for: un•leash Pronunciation: (un-lēsh'), [key] — v.t. to release from or as if from a leash; set loose to pursue or run at will. to abandon control of: to unleash his fury. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unleash (Thesaurus) unlearned unleavened Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language