OBTUSE

adj. 1 rounded, unpointed, blunt When mature, the leaves become more obtuse 2 dull, insensitive, unfeeling, imperceptive, thick-skinned, stolid, thick, dense, doltish, cloddish, thickheaded, dull-witted, dim-witted, slow-witted, (mentally) retarded, boneheaded, lumpish, loutish, oafish, simple, simple-minded Luke is a bit too obtuse to get the point of the story