| stupid(adjective, stupidity, foolishness, ignorance, hastiness) |
| foolish(adjective, stupidity, foolishness, characteristic, ignorance) |
| senseless(adjective, stupidity, foolishness, characteristic, ignorance) |
| ignorant(adjective, stupidity, foolishness, characteristic, foolish) |
| idiotic(adjective, stupidity, foolishness, characteristic, foolish) |
| brainless(adjective, stupidity, foolishness, ignorance, hastiness) |
| awkward(adjective, stupidity, foolishness, characteristic, easy) |
| fatuous(adjective, stupidity, foolishness, ignorance, hastiness) |
| silly(adjective, stupidity, foolishness, characteristic, ignorance) |
| witless(adjective, stupidity, foolishness, ignorance, hastiness) |
| unintelligent(adjective, stupidity, foolishness, ignorance, hastiness) |
| empty-headed(adjective, stupidity, foolishness, ignorance, hastiness) |
| vacuous(adjective, stupidity, foolishness, ignorance, hastiness) |
| simple(adjective, stupidity, foolishness, ignorance, hastiness) |
| crazy(adjective, stupidity, foolishness, characteristic, ignorance) |
| naive(adjective, characteristic, foolish, stupidity, foolishness) |
| preposterous(adjective, stupidity, foolishness, characteristic, ignorance) |
| dumb(adjective, stupidity, foolishness, ignorance, hastiness) |
| nonsensical(adjective, stupidity, foolishness, characteristic, ignorance) |
| dippy(adjective, stupidity, foolishness, characteristic, ignorance) |