Словарь синонимов английского языка - obtuse

(adj) 1. bounded, 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) betarded, boneheaded, lumpish, loutish, oafish, simple, simple-minded: Luke is a bit too obtuse to get the point of the story.