/ Dictionary / Index U uncouple: Meaning and Definition of Find definitions for: un•cou•ple Pronunciation: (un-kup'ul), [key] — v., -pled, -pling. —v.t. to release the coupling or link between; disconnect; let go: to uncouple railroad cars. —v.i. to become unfastened; let go: The glider uncoupled from the tow plane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: uncouple (Thesaurus) uncounted uncourteous Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language