/ Dictionary / Index U unseam: Meaning and Definition of Find definitions for: un•seam Pronunciation: (un-sēm'), [key] — v.t. to open the seam or seams of; undo; rip apart: to unseam a dress. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unsealed unsearchable Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language