| heedless(adjective, careless, wild, silly, stupid) |
| ignorant(adjective, simple, slight, rough, silly) |
| lunatic(adjective, weak, simple, knowledge, ability) |
| nuts(adjective, simple, rough, wild, strange) |
| outrageous(adjective, rough, careless, wild, strange) |
| screwy(adjective, wild, silly, stupid, crazy) |
| shallow(adjective, dull, slight, silly, stupid) |
| unserious |
| weak(adjective, simple, silly, thoughtless, absurd) |
| anserine |
| demented(adjective, wrong, wild, strange, silly) |
| dizzy(adjective, scatterbrained, flighty) |
| jerky(adjective, weak, simple, knowledge, slang) |
| kooky(adjective, weak, simple, wrong, wild) |
| meaningless(adjective, dull, simple, slight, slow) |
| misguided(adjective, thoughtless, rash, unwise, risky) |
| short-sighted(adjective, fantastic, thoughtless, unwise, unthinking) |
| soft(adjective, silly, stupid, green, fat) |
| thick(adjective, dull, simple, slow, silly) |
| trivial(adjective, dull, simple, slight, offensive) |