| daft(adjective, informal, wild, silly, foolish) |
| erratic(adjective, informal, careless, silly, mad) |
| kinky(adjective, happy, perfect, unusual, careless) |
| kooky(adjective, strange, silly, crazy, mad) |
| outre(adjective, unusual, strange, unexpected) |
| whimsical(adjective, light, happy, informal, perfect) |
| abnormal(adjective, extraordinary, unusual, wild, strange) |
| barmy(adjective, silly, foolish, crazy, mad) |
| batty(adjective, light, wild, silly, foolish) |
| dippy(adjective, light, silly, stupid, crazy) |
| gonzo |
| insane(adjective, simple, silly, foolish, crazy) |
| loony(adjective, light, silly, stupid, crazy) |
| off the wall(expression, adjective, idiom, light, unusual) |
| screwball(adjective, silly, foolish, crazy, mad) |
| silly(adjective, light, wrong, wild, foolish) |
| squamous(adjective, layer) |
| absurd(adjective, light, wrong, happy, informal) |
| bonkers(adjective, simple, silly, foolish, crazy) |
| crispy(adjective, feature, characteristic, structure) |