| open and shut(expression, adjective, idiom, clean, plain) |
| ordinary(adjective, simple, reasonable, plain, restrained) |
| patent |
| popular |
| prosaic |
| pure and simple(expression, adjective, idiom, clean, plain) |
| reasonable(adjective, simple, moderate, plain, restrained) |
| regular(adjective, down-to-earth, unadorned, minimal, unfussy) |
| rustic(adjective, simple, clean, plain, pure) |
| single(adjective, simple, clean, plain, pure) |
| small(adjective, simple, reasonable, moderate, plain) |
| sought |
| spartan(adjective, simple, clean, plain, pure) |
| unaffected(adjective, simple, reasonable, clean, plain) |
| unalloyed(adjective, simple, clean, plain, pure) |
| unarrayed |
| unblended(adjective, simple, clean, plain, pure) |
| uncluttered(adjective, simple, clean, plain, pure) |
| uncombined(adjective, simple, clean, plain, pure) |
| uncompounded(adjective, simple, clean, plain, pure) |