| unexcitable(adjective, quiet, cool, moderate, gentle) |
| unflappable(adjective, quiet, cool, moderate, gentle) |
| unharmed(adjective, unconcerned, flawless, unaffected, spotless) |
| unhurt(adjective, unconcerned, flawless, unaffected, spotless) |
| uninjured(adjective, unconcerned, flawless, unaffected, spotless) |
| uninvolved(adjective, indifferent, detached, distant, apathetic) |
| unmarred(adjective, unconcerned, flawless, unaffected, spotless) |
| unmarveling |
| unprejudiced(adjective, indifferent, detached, distant, apathetic) |
| unscathed(adjective, unconcerned, flawless, unaffected, spotless) |
| unselfconscious |
| unshocked(adjective, insensibility) |
| unsocial(adjective, indifferent, detached, distant, apathetic) |
| unstained(adjective, unconcerned, flawless, unaffected, spotless) |
| unstilted |
| unsurprised |
| unsympathetic(adjective, indifferent, detached, distant, apathetic) |
| untried(adjective, unconcerned, flawless, unaffected, spotless) |
| untroubled(adjective, quiet, cool, moderate, gentle) |
| unwondering |