/ Dictionary / Index U undersparred: Meaning and Definition of Find definitions for: un•der•sparred Pronunciation: (un'dur-spärd"), [key] — adj. Naut. having spars too small to carry the necessary sail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. undersoil underspin Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language