| natural(adjective, simple, plain, innocent, sincere) |
| oafish(adjective, rough, rude, coarse, awkward) |
| original(simple, plain, fresh, innocent, sincere) |
| ornery(adjective, rough, rude, coarse, awkward) |
| out-of-line(adjective, rough, rude, coarse, awkward) |
| out-of-order(adjective, rough, rude, coarse, awkward) |
| patsy(simple, plain, fresh, innocent, sincere) |
| plain(simple, innocent, sincere, childlike, trusting) |
| rough(adjective, rude, coarse, awkward, vulgar) |
| rube |
| simple(adjective, innocent, unsophisticated, country, trusting) |
| simple-minded(simple, plain, fresh, innocent, sincere) |
| spontaneous(simple, plain, fresh, innocent, sincere) |
| swinish(adjective, rough, rude, coarse, awkward) |
| sylvan(country, rustic, provincial, pastoral, rural) |
| tasteless(adjective, rough, rude, coarse, awkward) |
| ugly(adjective, rough, rude, coarse, awkward) |
| unaffected(adjective, simple, plain, innocent, sincere) |
| uncivilized(adjective, rough, rude, coarse, awkward) |
| uncultivated |