| irrational(unusual, strange, unexpected) |
| irregular(unusual, strange, unexpected) |
| kinky(unusual, strange, unexpected) |
| kooky(unusual, strange, unexpected) |
| mad(unusual, strange, unexpected) |
| mysterious(unusual, strange, unexpected) |
| odd(unusual, strange, unexpected) |
| oddball(unusual, strange, unexpected) |
| off the wall(expression, idiom, unusual, strange, unexpected) |
| out of the ordinary(expression, idiom, unusual, strange, unexpected) |
| outlandish(unusual, strange, unexpected) |
| outre(unusual, strange, unexpected) |
| peculiar(unusual, strange, unexpected) |
| puzzling(unusual, strange, unexpected) |
| quaint(unusual, strange, unexpected) |
| queer(unusual, strange, unexpected) |
| questionable(unusual, strange, unexpected) |
| remarkable(unusual, strange, unexpected) |
| shady(unusual, strange, unexpected) |
| singular(unusual, strange, unexpected) |