| irrational(unusual, strange, unexpected) |
| irregular(unusual, strange, special, rare, unexpected) |
| kooky(unusual, wild, strange, fantastic, unexpected) |
| mad(unusual, strange, unexpected) |
| mysterious(unusual, strange, unexpected) |
| nondescript(unusual, special, rare) |
| none |
| notable(unusual, special, rare) |
| novel(unusual, new, exceptional, special, original) |
| odd abnormal(expression, unusual, strange, unexpected) |
| off the wall(expression, unusual, wild, strange, fantastic) |
| original(unusual, new, exceptional, special, fantastic) |
| out of the ordinary(expression, idiom, unusual, strange, special) |
| out of the way(expression, idiom, unusual, special, rare) |
| outstanding(unusual, special, rare) |
| overwrought |
| puzzling(unusual, strange, unexpected) |
| questionable(unusual, strange, unexpected) |
| scarce(unusual, special, rare) |
| seldom(unusual, special, rare) |