/ Dictionary / Index U unbar: Meaning and Definition of Find definitions for: un•bar Pronunciation: (un-bär'), [key] — -barred, -bar•ring. to remove a bar or bars from; open; unlock; unbolt: to unbar a door. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unbar (Thesaurus) unballasted unbarbed Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language