obtuse

Lacking quickness of perception or intellect.

Characterized by a lack of intelligence or sensitivity.

Not distinctly felt.

Not sharp, pointed, or acute in form; blunt.

Having an obtuse angle.

Having a blunt or rounded tip.

Blunt; not acute or pointed: applied to an angle, it denotes one that is larger than a right angle, or of more than 90°. See cuts under angle.

In botany, blunt, or rounded at the extremity: as, an obtuse leaf, sepal, or petal.