| detached(adjective, calm, quiet, cool, relaxed) |
| worry-free(adjective, feature, state, trait) |
| negligent(adjective, feature, state, calm, cool) |
| careless(adjective, feature, state, calm, cool) |
| happy-go-lucky(adjective, feature, state, calm, care) |
| cold(adjective, calm, cool, temper, relaxed) |
| devil-may-care(adjective, feature, state, care, mild) |
| heedless(adjective, feature, state, careless, indifferent) |
| imperturbable(adjective, calm, cool, relaxed, steady) |
| lackadaisical(adjective, calm, cool, temper, relaxed) |
| listless(adjective, calm, cool, temper, relaxed) |
| smooth(adjective, calm, cool, relaxed, casual) |
| unflappable(adjective, calm, cool, relaxed, steady) |
| untroubled(adjective, feature, state, calm, cool) |
| carefree(adjective, feature, state, calm, care) |
| cold-blooded(adjective, cool, temper, cold, negative) |
| collected(adjective, calm, cool, mild, relaxed) |
| confident |
| free and easy(expression, adjective, idiom, feature, state) |
| half-hearted(adjective, temper, cold, indifferent, negative) |