obtuse

adj.

[1]	rounded , unpointed , blunt
[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
[3]	purblind
[4]	dense , dim , dull , dumb , slow