/ 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 Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language