| crazy(adjective, weak, simple, knowledge, ability) |
| silly(adjective, weak, simple, knowledge, ability) |
| insane(adjective, weak, simple, knowledge, ability) |
| frivolous(adjective, ability, careless, excited, silly) |
| dizzy(adjective, slang, ability, careless, excited) |
| foolish(adjective, weak, simple, knowledge, ability) |
| flighty(adjective, ability, careless, excited, silly) |
| goofy(adjective, silly, foolish, fantastic, unwise) |
| mad(adjective, weak, simple, knowledge, ability) |
| absurd(adjective, weak, simple, knowledge, ability) |
| empty-headed(adjective, ability, careless, silly, foolish) |
| loony(adjective, weak, simple, knowledge, ability) |
| preposterous(adjective, weak, great, simple, knowledge) |
| foolhardy(adjective, careless, foolish, fantastic, thoughtless) |
| giddy(adjective, ability, careless, excited, silly) |
| lightweight |
| rash(adjective, careless, wild, silly, foolish) |
| scatterbrained(adjective, ability, careless, silly, foolish) |
| balmy(adjective, knowledge, slang, ability, wild) |
| dippy(adjective, weak, simple, knowledge, slang) |