| lax(adjective, feature, state, calm, clear) |
| negligent(adjective, feature, state, calm, cool) |
| serendipitous(adjective, chance, random, lucky, unplanned) |
| serene(adjective, feature, state, calm, cool) |
| unforeseen(adjective, chance, random, liable, unintentional) |
| unhurried(adjective, feature, state, easy, slow) |
| unsystematic(adjective, careless, chance, erratic, random) |
| unworried(adjective, feature, state, calm, care) |
| calm(adjective, feature, state, cool, informal) |
| everyday(adjective, strong, simple, easy, plain) |
| extemporaneous(adjective, free, simple, natural, chance) |
| lackadaisical(adjective, calm, cool, relaxed, cheerful) |
| purposeless(adjective, careless, manner, erratic, nonchalant) |
| simple(adjective, lower, inferior, ordinary, familiar) |
| thoughtless(adjective, feature, state, careless, trait) |
| undemanding(adjective, feature, state, mild, relaxed) |
| worry-free(adjective, feature, state, trait) |
| extempore(adjective, free, simple, fake, natural) |
| familiar(adjective, calm, clear, open, smooth) |
| folksy(adjective, simple, relaxed, indifferent, familiar) |