| feeble-minded(adjective, simple, slow, foolish, stupid) |
| half-baked(adjective, dull, weak, simple, slow) |
| half-witted(adjective, dull, weak, simple, slow) |
| soft(adjective, silly, stupid, green, fat) |
| unthinking(adjective, dull, simple, slow, careless) |
| batty(impulsive, impractical, half-baked, doomed, unplanned) |
| cockeyed(impractical, half-baked, doomed) |
| doltish(adjective, dull, weak, simple, slow) |
| goofy(impractical, half-baked, doomed) |
| harebrained(adjective, weak, simple, silly, foolish) |
| insensible(innocent, unfamiliar, unknowing, unaware, uninformed) |
| odd(adjective, crazy, mad, insane) |
| scatterbrained(adjective, simple, slow, foolish, stupid) |
| unaware(adjective, silly, foolish, innocent, senseless) |
| unconscious(adjective, careless, innocent, thoughtless, unfamiliar) |
| unknowing(adjective, innocent, unfamiliar, unconscious, ignorance) |
| unreasoning(careless, stupid, thoughtless, unthinking, inconsiderate) |
| unwitting(adjective, innocent, thick, unfamiliar, unconscious) |
| addle-pated |
| birdbrained(adjective, silly, foolish, innocent, vague) |