(Of an apex or base) not pointed, blunt, ending in an angle of between 90–180°.
Blunt or rounded at the apex, the converging edges separated by an angle greater than 90 degrees.
Abrupt, that is forming an obtuse angle, or somewhat rounded instead of strictly angular.
Apex formed by two lines that meet at more than a right angle.
Dull or blunt; of less than normal mental capacity.