| inaudible(adjective, close, quiet, soft, low) |
| kill(verb, stop, turn, halt, cancel) |
| lethargic(adjective, dull, sluggish, lazy, inactive) |
| listless(adjective, dull, quiet, cool, moderate) |
| noiselessness(noun, calm, quiet, speech, peace) |
| quietness(noun, calm, quiet, speech, peace) |
| relax(verb, calm, order, quiet, help) |
| reposeful(adjective, quiet, cool, smooth, mild) |
| resting(adjective, calm, smooth, peaceful, tranquil) |
| retort(noun, vaporization, furnace) |
| sedentary(adjective, dull, idle, sluggish, lazy) |
| sluggish(adjective, calm, dull, quiet, gentle) |
| soften(verb, calm, order, quiet, help) |
| steady(verb, adjective, calm, quiet, cool) |
| also(adverb, increase, addition) |
| anyway |
| at any rate(expression, idiom, adverb, compensation) |
| balm(verb, calm, order, quiet, cool) |
| becalmed(adjective, calm, lifeless, inactive, inert) |
| breathless(adjective, quiet, cool, smooth, mild) |