| undecorated(adjective, simple, clean, plain, pure) |
| unexceptional(adjective, simple, reasonable, plain, restrained) |
| unornamented(adjective, simple, reasonable, clean, plain) |
| absolute(adjective, simple, clean, plain, pure) |
| bare |
| basic |
| camouflaged(quiet, plain, imperceptible, discreet, inconspicuous) |
| chaste(adjective, soft, shy, meek, frugal) |
| clean |
| colourless |
| concealed(quiet, plain, imperceptible, discreet, inconspicuous) |
| decent(adjective, soft, shy, meek, frugal) |
| dim(quiet, plain, imperceptible, discreet, inconspicuous) |
| docile(adjective, quiet, modest, meek, unassuming) |
| down(simple, honest, modest, humble, unaffected) |
| down home(expression, simple, honest, modest, humble) |
| easy-going(simple, honest, modest, humble, unaffected) |
| elementary |
| faint(quiet, plain, imperceptible, discreet, inconspicuous) |
| free-spirited(simple, honest, modest, humble, unaffected) |