| bananas(adjective, slang, crazy, mad) |
| deranged(adjective, silly, foolish, crazy, mad) |
| flighty(noun, adjective) |
| irresponsible(adjective, silly, foolish, stupid, absurd) |
| screwball(adjective, silly, foolish, mad, insane) |
| brainless(weak, simple, silly, foolish, stupid) |
| demented(adjective, silly, foolish, crazy, mad) |
| dizzy(noun, adjective) |
| flaky(adjective, light, silly, stupid, crazy) |
| imprudent(adjective, weak, simple, silly, foolish) |
| inane(adjective, strange, silly, foolish, stupid) |
| jerky(adjective, light, simple, knowledge, slang) |
| rash(adjective, silly, foolish, thoughtless, unwise) |
| sappy(adjective, knowledge, slang, ability) |
| scatterbrained(noun, adjective) |
| tomfool(adjective, knowledge, ability, foolish) |
| unwise(adjective, weak, simple, silly, foolish) |
| bats |
| eccentric(silly, foolish, unwise) |
| gaga(noun, adjective) |