| injudicious(adjective, weak, simple, wrong, careless) |
| childish(adjective, silly, innocent, trivial, absurd) |
| dotty(adjective, weak, simple, strange, silly) |
| farcical(adjective, slight, strange, silly, trivial) |
| ill-considered(adjective, weak, simple, careless, silly) |
| imbecile(adjective, dull, simple, silly, stupid) |
| lightweight(adjective, inconsequential) |
| rash(adjective, dull, careless, silly, stupid) |
| risible(adjective, silly, stupid, absurd, amusing) |
| thoughtless(adjective, careless, silly, stupid, crazy) |
| zany(adjective, weak, simple, knowledge, ability) |
| doltish(adjective, dull, weak, simple, stupid) |
| illogical(adjective, wrong, silly, stupid, crazy) |
| indiscreet(adjective, dull, weak, simple, offensive) |
| puerile(adjective, dull, silly, stupid, fantastic) |
| daffy(adjective, weak, simple, silly, stupid) |
| dim(adjective, dull, stupid, unintelligent, witless) |
| dim-witted(adjective, stupid, unintelligent) |
| dippy(adjective, knowledge, slang, ability, silly) |
| fantastic(adjective, weak, simple, wild, strange) |