Ob‐tuse″ (?). a. [Compar.Obtuser (�); superl.Obtusest.] [L. obtusus, p. p. of obtundere to blunt: cf. F. obtus. See Obtund.] 1. Not pointed or acute; blunt; — applied esp. to angles greater than a right angle, or containing more than ninety degrees.
2. Not having acute sensibility or perceptions; dull; stupid; as, obtuse senses. Milton.
3. Dull; deadened; as, obtuse sound. Johnson.