| unaffected(adjective, open, easy, clean, honest) |
| silly(noun, adjective, characteristic, weak, slight) |
| common(adjective, dull, mean, lower, poor) |
| foolish(adjective, characteristic, dull, weak, slight) |
| honest(adjective, clear, soft, flat, total) |
| natural(adjective, open, easy, clean, honest) |
| stark(adjective, plain, pure, cold, straight) |
| unassuming(adjective, mean, soft, lower, poor) |
| artless(adjective, easy, clean, honest, plain) |
| austere(adjective, hard, severe, plain, pure) |
| candid(adjective, direct, honest, plain, straightforward) |
| dull(adjective, ability, slow, plain, pure) |
| fatuous(adjective, weak, silly, foolish, stupid) |
| mere(adjective, clear, hard, light, smooth) |
| clean(adjective, clear, easy, sharp, plain) |
| sincere(adjective, clear, open, easy, flat) |
| unvarnished(adjective, honest, plain, exact, pure) |
| ingenuous(adjective, clean, honest, plain, pure) |
| childlike(adjective, open, easy, honest, plain) |
| dim-witted(adjective, dull, slow, foolish, stupid) |