| cold-blooded(adjective, calm, detached, sober, unfeeling) |
| collected(adjective, calm, indifferent, detached, aloof) |
| diffident(adjective, indifferent, detached, aloof, distant) |
| elementary(adjective, clear, light, smooth, simple) |
| facile(adjective, clear, light, smooth, simple) |
| footloose |
| idle(adjective, quiet, indifferent, apathetic, lifeless) |
| inattentive(adjective, indifferent, detached, distant, apathetic) |
| incomplex(adjective, quiet, clear, smooth, easy) |
| insensitive(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| insouciant(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| isolated |
| laid-back(adjective, quiet, indifferent, casual, aloof) |
| lethargic(adjective, calm, dull, flat, unemotional) |
| lifeless(adjective, calm, dull, quiet, flat) |
| light(adjective, quiet, clear, smooth, simple) |
| moderate(adjective, calm, light, simple, easy) |
| not difficult(expression, clear, light, smooth, simple) |
| picnic(adjective, clear, light, smooth, simple) |
| poker-faced(adjective, calm, quiet, indifferent, detached) |