| regardless(adjective, indifferent, detached, distant, apathetic) |
| relaxed(adjective, quiet, cool, moderate, gentle) |
| restful(adjective, quiet, cool, moderate, gentle) |
| safe and sound(expression, adjective, idiom, unconcerned, flawless) |
| sanitary(adjective, unconcerned, flawless, unaffected, spotless) |
| satisfied(adjective, quiet, cool, moderate, gentle) |
| scornful(adjective, indifferent, detached, distant, apathetic) |
| secure(adjective, unconcerned, flawless, unaffected, spotless) |
| sedate(adjective, calm, quiet, cool, moderate) |
| self-possessed(adjective, quiet, cool, moderate, gentle) |
| serene(adjective, calm, quiet, cool, moderate) |
| shipshape(adjective, unconcerned, flawless, unaffected, spotless) |
| silent(adjective, indifferent, detached, distant, apathetic) |
| sincere |
| sound(adjective, calm, restrained, unconcerned, flawless) |
| spotless(adjective, unconcerned, flawless, unaffected, intact) |
| steady(adjective, calm, restrained, unconcerned, subdued) |
| still(adjective, quiet, cool, moderate, gentle) |
| subdued(adjective, calm, indifferent, restrained, apathetic) |
| supercilious(adjective, indifferent, detached, distant, apathetic) |