Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.
- Lacking quickness of perception or intellect.
- Characterized by a lack of intelligence or sensitivity: an obtuse remark.
- Not distinctly felt: an obtuse pain.
- Not sharp, pointed, or acute in form; blunt.
- Having an obtuse angle: an obtuse triangle.
- Botany. Having a blunt or rounded tip: an obtuse leaf.