/ Dictionary / Index U untruss: Meaning and Definition of Find definitions for: un•truss Pronunciation: (un-trus'), [key] — v.t., v.i. Archaic. to loose from or as if from a truss. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. untrue untruth Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language