/ Dictionary / Index O obtuse: Meaning and Definition of Find definitions for: ob•tuse Pronunciation: (ub-ts', -tys'), [key] — adj. not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull. not sharp, acute, or pointed; blunt in form. (of a leaf, petal, etc.) rounded at the extremity. indistinctly felt or perceived, as pain or sound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obtuse (Thesaurus) obturate obtuse angle Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language