| refined(adjective, feature, characteristic, trait) |
| remarkable(adjective, characteristic, character, trait) |
| ripe(adjective, feature, characteristic, trait) |
| ripened(adjective, feature, characteristic, trait) |
| singular(adjective, characteristic, character, trait) |
| space-age(adjective, feature, characteristic, trait) |
| special(adjective, characteristic, character, trait) |
| supermodern(adjective, feature, characteristic, trait) |
| ultramodern(adjective, feature, characteristic, trait) |
| unalike(adjective, characteristic, character, trait) |
| uncommon(adjective, characteristic, character, trait) |
| unconventional(adjective, characteristic, character, trait) |
| unfamiliar(adjective, characteristic, character, trait) |
| unique(adjective, characteristic, character, trait) |
| unlike(adjective, characteristic, character, trait) |
| unorthodox(adjective, characteristic, character, trait) |
| unprecedented(adjective, characteristic, character, trait) |
| unusual(adjective, characteristic, character, trait) |
| up-to-date(adjective, feature, characteristic, trait) |