| unbroken(verb, adjective, quiet, sound, soft) |
| unexcitable(adjective, calm, quiet, cool, moderate) |
| unhurried(adjective, feature, state, calm, quiet) |
| unimpassioned |
| uninterrupted(verb, adjective, adverb, calm, quiet) |
| untouched(adjective, calm, cool, steady, tranquil) |
| at peace(expression, adjective, calm, quiet, cool) |
| blithe(adjective, feature, state, indifferent, trait) |
| careless(adjective, feature, state, indifferent, trait) |
| clear(adjective, calm, peaceful, tranquil) |
| cold(adjective, indifferent, nonchalant, undaunted, unworried) |
| deliberate(adjective, leisure) |
| easeful(adjective, calm, quiet, light, smooth) |
| equable(adjective, calm, quiet, cool, smooth) |
| equanimous(adjective, calm, cool, steady, tranquil) |
| feckless(adjective, feature, state, indifferent, trait) |
| fixed(adjective, calm, quiet, smooth, firm) |
| flat(adjective, quiet, soft, gentle, level) |
| free and easy(adjective, feature, state, trait) |
| grave |