OBTU'SE, adjective [Latin obtusus, from obtundo, to beat against.] 1. Blunt; not pointed or acute. Applied to angles, it denotes one that is larger than a right angle, or more than ninety degrees. 2. Dull; not having acute sensibility; as obtuse senses. 3. Not sharp or shrill; dull; obscure; as obtuse sound.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI