| moonstruck(adjective, silly, foolish, mad, insane) |
| oddish(adjective, characteristic, person, behavior) |
| off(adjective, sane) |
| out to lunch(expression, adjective, idiom, silly, crazy) |
| pixellated(adjective, characteristic, person, behavior) |
| pixilated(adjective, characteristic, person, behavior) |
| pixillated(adjective, characteristic, person, behavior) |
| prankish(adjective, characteristic, person, behavior) |
| psychotic |
| quirky(adjective, informal, eccentric) |
| rabid(adjective, keen, warm, passionate, excited) |
| softheaded(adjective, knowledge, ability) |
| unglued(adjective, crazy, mad, odd, insane) |
| unpredictable(adjective, unusual, strange, silly, crazy) |
| unusual(adjective, strange, silly, foolish, stupid) |
| weird(adjective, unusual, strange, silly, foolish) |
| whimsy(adjective, characteristic, person, behavior) |
| wrong(adjective, foolish, unreasonable, sane, illogical) |
| abnormal |
| airheaded |