| common |
| cool(simple, relaxed, indifferent, familiar, casual) |
| cornball(adjective, simple, natural, straightforward, naive) |
| courteous(adjective, sociable) |
| credulous(simple, easy, real, genuine, unaffected) |
| crude(adjective, simple, natural, straightforward, naive) |
| degage |
| democratic(adjective, simple, easy, plain, modest) |
| demotic |
| discreet(adjective, simple, clean, honest, plain) |
| down(adjective, simple, honest, plain, modest) |
| dull(adjective, simple, plain, ordinary, boring) |
| earthy(adjective, unsophisticated) |
| elementary(adjective, simple, clean, plain, pure) |
| extempore(adjective, simple, easy, plain, relaxed) |
| farming(adjective, country life, Country Life) |
| forthright(easy, honest, modest, natural, straightforward) |
| free(adjective, simple, easy, plain, relaxed) |
| free-and-easy(adjective, simple, easy, plain, modest) |
| free-spirited(simple, honest, modest, humble, unaffected) |