| undisturbed(adjective, quiet, cool, smooth, mild) |
| unruffled(adjective, quiet, cool, smooth, mild) |
| unstirring(adjective, calm, still, airless) |
| unventilated |
| waveless(adjective, quiet, cool, smooth, slow) |
| in order(expression, adjective, quiet, cool, smooth) |
| aloof(adjective, quiet, cool, still, peaceful) |
| amiable(adjective, quiet, cool, still, peaceful) |
| amicable(adjective, quiet, cool, still, peaceful) |
| breath |
| civil(adjective, quiet, cool, still, peaceful) |
| collected(adjective, quiet, cool, still, peaceful) |
| composed(adjective, quiet, cool, still, peaceful) |
| cool-headed(adjective, quiet, cool, still, peaceful) |
| cool as cucumber(expression, adjective, idiom, quiet, cool) |
| deceased |
| detached(adjective, quiet, cool, still, peaceful) |
| disinterested(adjective, quiet, cool, still, peaceful) |
| dispassionate(adjective, quiet, cool, still, peaceful) |
| dormant |