Breadcrumb Home > Dictionary > Index U unblock: Meaning and Definition of Find definitions for: un•block Pronunciation: (un-blok'), [key] — v.t. to remove a block or obstruction from: to unblock a channel; to unblock a person's credit. to play (a suit) so that the last card of the suit in one hand can provide access to the hand of the partnership having the longer holding in the suit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unblock (Thesaurus) unblinking unblooded TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: effete Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language