| sealed(adjective, calm, quiet, smooth, tranquil) |
| serene(adjective, calm, quiet, smooth, tranquil) |
| sick(adjective, dull, light, soft, poor) |
| silent(adjective, calm, quiet, smooth, tranquil) |
| skeletal(adjective, thin, dead, pale, wasted) |
| skeletonlike(thin, dead, pale, wasted, bony) |
| skin and bones(expression, idiom, thin, dead, pale) |
| smooth(adjective, calm, quiet, tranquil, silent) |
| soundless(adjective, calm, quiet, smooth, tranquil) |
| stable(adjective, calm, quiet, smooth, tranquil) |
| stagnant(adjective, calm, quiet, smooth, tranquil) |
| static(adjective, calm, quiet, smooth, tranquil) |
| stationary(adjective, calm, quiet, smooth, tranquil) |
| stock-still(adjective, calm, quiet, smooth, tranquil) |
| supernatural(shocking, upsetting, shadowy, ghastly, ethereal) |
| terrible(adjective, shocking, upsetting, frightening) |
| terrifying(adjective, shocking, upsetting, frightening) |
| thin(adjective, dull, light, soft, poor) |
| tomblike |
| tranquil(adjective, calm, quiet, smooth, silent) |