| inept(adjective, stupidity, foolishness, characteristic, ignorance) |
| dorky(adjective, stupidity, foolishness, slang, ignorance) |
| dull(adjective, stupidity, ignorance, foolishness, hastiness) |
| inexpert(adjective, stupidity, foolishness, characteristic, ignorance) |
| airheaded(adjective, stupidity, ignorance, foolishness, hastiness) |
| birdbrained(adjective, stupidity, ignorance, foolishness, hastiness) |
| boneheaded(adjective, stupidity, ignorance, foolishness, hastiness) |
| brain-dead(adjective, stupidity, ignorance, foolishness, hastiness) |
| bubbleheaded(adjective, stupidity, ignorance, foolishness, hastiness) |
| butterfingered(adjective, stupidity, ignorance, foolishness, hastiness) |
| chuckleheaded(adjective, stupidity, ignorance, foolishness, hastiness) |
| dense(adjective, stupidity, ignorance, foolishness, hastiness) |
| dim(adjective, stupidity, ignorance, foolishness, hastiness) |
| dim-witted(adjective, stupidity, ignorance, foolishness, hastiness) |
| doltish(adjective, stupidity, ignorance, foolishness, hastiness) |
| dopey(adjective, stupidity, ignorance, foolishness, hastiness) |
| dopy(adjective, stupidity, ignorance, foolishness, hastiness) |
| dunderheaded(adjective, stupidity, ignorance, foolishness, hastiness) |
| half-witted(adjective, stupidity, ignorance, foolishness, hastiness) |
| ham-fisted(adjective, stupidity, ignorance, foolishness, hastiness) |