| ignorant |
| inconceivable(adjective, light, unusual, strange, exceptional) |
| incredible(adjective, extraordinary, unusual, strange, exceptional) |
| memorable(adjective, extraordinary, unusual, strange, exceptional) |
| monstrous |
| nondescript(unusual, special, rare, unconformity) |
| notable(solid, extraordinary, unusual, wonderful, outstanding) |
| out-of-the-way(extraordinary, exceptional, remarkable, particular) |
| outre(unusual, special, rare, unconformity) |
| prodigious(adjective, extraordinary, unusual, strange, exceptional) |
| scarce(adjective, light, thin, unusual, strange) |
| significant(adjective, solid, extraordinary, unusual, strange) |
| sudden |
| sui generis(expression, idiom, unconformity) |
| unheard-of(strange, exceptional, marvelous, special, unfathomable) |
| unthinkable(light, thin, strange, exceptional, marvelous) |
| refreshing(adjective, extraordinary, unusual, strange, exceptional) |
| arresting(solid, extraordinary, unusual, wonderful, outstanding) |
| arrestive(solid, extraordinary, unusual, wonderful, exceptional) |
| breakaway |