| imbecilic(adjective, stupidity, ignorance, foolishness, hastiness) |
| incapable(adjective, stupidity, ignorance, foolishness, hastiness) |
| incompetent(adjective, stupidity, ignorance, foolishness, hastiness) |
| klutzy(adjective, stupidity, ignorance, foolishness, hastiness) |
| kookie(adjective, stupidity, ignorance, foolishness, hastiness) |
| kooky(adjective, stupidity, ignorance, foolishness, hastiness) |
| lachrymose(adjective, stupidity, ignorance, foolishness, hastiness) |
| lame(adjective, stupidity, ignorance, foolishness, hastiness) |
| looney(adjective, stupidity, ignorance, foolishness, hastiness) |
| loony(adjective, stupidity, ignorance, foolishness, hastiness) |
| maladroit(adjective, stupidity, ignorance, foolishness, hastiness) |
| moronic(adjective, stupidity, ignorance, foolishness, hastiness) |
| nonintellectual(adjective, stupidity, ignorance, foolishness, hastiness) |
| nutty(adjective, stupidity, ignorance, foolishness, hastiness) |
| pedantic(adjective, stupidity, ignorance, foolishness, hastiness) |
| pedestrian(adjective, stupidity, ignorance, foolishness, hastiness) |
| plaintive(adjective, stupidity, ignorance, foolishness, hastiness) |
| rough-hewn(adjective, stupidity, ignorance, foolishness, hastiness) |
| sappy(adjective, stupidity, ignorance, foolishness, hastiness) |
| screwball(adjective, stupidity, ignorance, foolishness, hastiness) |