| witless(adjective, weak, simple, informal, silly) |
| balmy(adjective, knowledge, slang, ability, wild) |
| cockeyed(adjective, knowledge, ability, informal, silly) |
| harebrained(adjective, weak, simple, knowledge, ability) |
| idiotic(adjective, weak, simple, knowledge, ability) |
| Punch(fool, wit, comic, mime, prankster) |
| airheaded |
| ape(verb, copy, similarity, commonality) |
| barmy(silly, foolish, unwise) |
| batty(silly, foolish, unwise) |
| bonkers(silly, foolish, crazy, mad, unwise) |
| brainless(weak, simple, silly, foolish, thoughtless) |
| cat |
| comedienne |
| cracked(silly, foolish, crazy, mad, unwise) |
| cunt |
| dizzy |
| dolt(fool, wit, comic, mime, prankster) |
| doltish(weak, simple, silly, foolish, thoughtless) |
| epigrammatist(daredevil, wisecracker, risk-taker) |