/ Dictionary / Index U unwitnessed: Meaning and Definition of Find definitions for: un•wit•nessed Pronunciation: (un-wit'nist), [key] — adj. lacking the signature of a witness: an unwitnessed legal document. not perceived by the senses; not noticed or observed: unwitnessed everyday occurrences. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. unwit unwitting Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language