| crazy(unusual, strange, unexpected) |
| exotic(unusual, strange, new, exceptional, special) |
| extraordinary(wild, strange, new, exceptional, special) |
| extreme(unusual, special, rare, radical) |
| noteworthy(unusual, special, rare) |
| peculiar(unusual, wild, strange, special, fantastic) |
| quaint(unusual, strange, peculiar, unexpected) |
| rare(unusual, special) |
| remarkable(unusual, strange, new, exceptional, special) |
| singular(unusual, wild, strange, special, fantastic) |
| spooky |
| ultra(adjective, extreme) |
| unaccustomed(unusual, special, rare) |
| uncommon(adjective, unusual, strange, crazy, special) |
| uncustomary(adjective, unusual, special, rare, uncommon) |
| unexpected(unusual, strange) |
| unprecedented(adjective, unusual, exceptional, special, original) |
| unwonted(unusual, special, rare) |
| weird(unusual, wild, strange, special, fantastic) |
| absurd |