| brash(adjective, keen, careless, wild, thoughtless) |
| breakneck(adjective, careless, wild, bold, thoughtless) |
| calm(adjective, feature, state, mild, relaxed) |
| courageous |
| furious(careless, anxious, worried, thoughtless, impulsive) |
| go for broke |
| lazy(adjective, calm, mild, relaxed, casual) |
| lighthearted(adjective, feature, state, trait) |
| lightsome(adjective, feature, state, trait) |
| perfunctory |
| permissive(adjective, feature, state, calm, soft) |
| precipitant(adjective, careless, thoughtless, impulsive, rash) |
| slaphappy |
| spirited(adjective, feature, state, trait) |
| tolerant(adjective, feature, state, calm, soft) |
| tranquil(adjective, feature, state, calm, mild) |
| unconsidered(noun, adjective, passionate, violent, careless) |
| undemanding(adjective, feature, state, mild, relaxed) |
| unhurried(adjective, feature, state, mild, relaxed) |
| unmindful(adjective, soft, careless, bold, thoughtless) |