| simple(adjective, plain, modest, natural, regular) |
| single(adjective, simple, clean, plain, pure) |
| spartan(adjective, simple, clean, plain, pure) |
| unadorned(adjective, simple, clean, plain, pure) |
| unadulterated(adjective, simple, clean, plain, pure) |
| unaffected(adjective, simple, clean, plain, pure) |
| unalloyed(adjective, simple, clean, plain, pure) |
| unblended(adjective, simple, clean, plain, pure) |
| uncluttered(adjective, simple, clean, plain, pure) |
| uncombined(adjective, simple, clean, plain, pure) |
| uncomplicated(adjective, simple, clean, plain, pure) |
| uncompounded(adjective, simple, clean, plain, pure) |
| undecorated(adjective, simple, clean, plain, pure) |
| unelaborate(adjective, simple, clean, plain, pure) |
| unembellished(adjective, simple, clean, plain, pure) |
| unfussy(adjective, simple, clean, plain, pure) |
| unmitigated(adjective, simple, clean, plain, pure) |
| unmixed(adjective, simple, clean, plain, pure) |
| unornamented(adjective, simple, clean, plain, pure) |
| unostentatious(adjective, simple, clean, plain, pure) |