obtuse
adjective(ob-tuse)
lacking in insight or discernment
Examples:
Too obtuse to grasp the implications of his behavior.
obtuse
adjective(ob-tuse)
slow to learn or understand; lacking intellectual acuity
Examples:
He was either normally stupid or being deliberately obtuse.
obtuse
adjective(ob-tuse)
(of a leaf shape) rounded at the apex
obtuse
(ob-tuse)
of an angle; between 90 and 180 degrees