/ Dictionary / Index U unstick: Meaning and Definition of Find definitions for: un•stick Pronunciation: (un-stik'), [key] — v., -stuck, -stick•ing. —v.t. to free, as one thing stuck to another. —v.i. to become unstuck: Finally, the car's horn unstuck. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unstep unstop Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language