Breadcrumb Home > Dictionary > Index U unclog: Meaning and Definition of Find definitions for: un•clog Pronunciation: (un-klog', -klôg'), [key] — v., -clogged, -clog•ging. —v.t. to free of an obstruction or impediment: to unclog a drain; to unclog rush-hour traffic. —v.i. to become unclogged: I can't wash the dishes until the drain unclogs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unclog (Thesaurus) uncloak unclose TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: antebellum Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language