/ Dictionary / Index U unobtrusive: Meaning and Definition of Find definitions for: un•ob•tru•sive Pronunciation: (un"ub-tr'siv), [key] — adj. not obtrusive; inconspicuous, unassertive, or reticent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unobtrusive (Thesaurus) UNO unoccupied 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