| inconspicuous(adjective, quiet, plain, modest, hidden) |
| modest(adjective, quiet, simple, reasonable, sensible) |
| placid(adjective, quiet, cool, smooth, mild) |
| repressed(adjective, quiet, gentle, restrained) |
| retiring(adjective, quiet, plain, modest, imperceptible) |
| soft-sell(adjective, subdued, disciplined, understated, relieved) |
| temperate(adjective, calm, quiet, cool, soft) |
| tempered(adjective, quiet, gentle, restrained) |
| toned down(expression, adjective, calm, quiet, reasonable) |
| tranquil(adjective, calm, quiet, cool, smooth) |
| unobtrusive(adjective, quiet, gentle, plain, restrained) |
| unpretentious(adjective, simple, modest, unsophisticated, understated) |
| abeyant(adjective, dull, idle, sluggish, lazy) |
| abnegating(adjective, calm, quiet, reasonable, sensible) |
| abstaining(adjective, calm, quiet, reasonable, sensible) |
| asleep(adjective, dull, idle, sluggish, lazy) |
| at a standstill(expression, adjective, idiom, quiet, cool) |
| at peace(expression, adjective, quiet, cool, smooth) |
| bearable(adjective, calm, soft, reasonable, gentle) |
| blah(adjective, dull, idle, sluggish, lazy) |