| inimitable(adjective, feature, characteristic, unusual, exceptional) |
| single(adjective, feature, characteristic, separate, extraordinary) |
| original(adjective, characteristic, separate, simple, extraordinary) |
| one(adjective, characteristic, separate, simple, extraordinary) |
| separate(adjective, characteristic, simple, extraordinary, unusual) |
| curious(adjective, solid, extraordinary, unusual, strange) |
| exclusive(adjective, feature, characteristic, separate, simple) |
| lone(adjective, feature, characteristic, separate, simple) |
| incomparable(adjective, feature, characteristic, excellent, perfect) |
| peerless(adjective, feature, characteristic, separate, simple) |
| matchless(adjective, feature, characteristic, excellent, perfect) |
| sole(adjective, feature, characteristic, separate, simple) |
| particular(adjective, characteristic, separate, simple, exact) |
| unequaled(adjective, characteristic, exceptional, equal, originality) |
| unrivaled(noun, adjective, characteristic, separate, simple) |
| weird(adjective, characteristic, informal, extraordinary, unusual) |
| one and only(expression, adjective, idiom, feature, exceptional) |
| one-of-a-kind(adjective, perfect, unusual, original, odd) |
| sui generis(expression, adjective, feature, characteristic, separate) |
| alone(adjective, characteristic, separate, simple, extraordinary) |