/ Dictionary / Index U unseen: Meaning and Definition of Find definitions for: un•seen Pronunciation: (un-sēn'), [key] — adj. not seen; unperceived; unobserved; invisible. recognized or comprehended without prior study, as a written text or musical score. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unseen (Thesaurus) unseemly unsegregated Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language