| half-witted(adjective, dull, weak, simple, silly) |
| thick-witted(adjective, dull, ability, stupid) |
| thickheaded(adjective, simple, ability, slow, stupid) |
| asinine(adjective, weak, simple, silly, foolish) |
| blockheaded(adjective, dull, simple, ability, slow) |
| imbecilic(adjective, dull, weak, simple, slow) |
| lumpish(adjective, dull, heavy, stupid, vulgar) |
| blunt(adjective, dull, heavy, stupid, impassive) |
| boneheaded(adjective, simple, slow, stupid) |
| dull-witted |
| goofy(adjective, foolish, stupid) |
| oafish(adjective, dull, simple, rough, slow) |
| brain-dead(adjective, stupid) |
| witless(adjective, dull, weak, simple, slow) |
| absurd(adjective, weak, simple, silly, foolish) |
| backward(adjective, simple, slow, stupid, sluggish) |
| blockish(adjective, stupid) |
| crass(adjective, coarse, insensitive) |
| cretinous(adjective, foolish) |
| dotty(adjective, weak, simple, silly, foolish) |