Obtuse
Pronunciation : Ob*tuse". a. [Compar. Obtuser (; superl. Obtusest.]
Etymology : [L. obtusus, p.p. of obtundere to blunt: cf. F. obtus. See Obtund.]
Definition : 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.
Source : Webster's Unabridged Dictionary, 1913