| uninvolved(adjective, light, simple, easy, indifferent) |
| unruffled(adjective, calm, indifferent, peaceful, unconcerned) |
| upbeat(adjective, feature, state, trait) |
| vivacious(adjective, feature, state, trait) |
| weak(adjective, feature, state, trait) |
| well-to-do(adjective, calm, quiet, light, smooth) |
| aloof(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| at peace(expression, calm, tranquil, serene) |
| bold(adjective, unconcerned, carefree, fearless) |
| callous(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| cheerfully irresponsible(expression, idiom) |
| clear(adjective, light, simple, easy, straightforward) |
| cold(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| courageous(adjective, unconcerned, carefree, fearless) |
| cursory |
| dispassionate(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| distant(adjective, indifferent, unconcerned, unsympathetic, inattentive) |
| halcyon(adjective, calm, peaceful, unconcerned, tranquil) |
| hardened(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| hushed(adjective, calm, peaceful, unconcerned, tranquil) |