| adventurous(adjective, careless, bold, thoughtless, brave) |
| brave(adjective, tenacious) |
| courageous(adjective, resolute, tenacious) |
| devoted(adjective, passionate, violent, enthusiastic, resolute) |
| hard-nosed(adjective, hard, tough, rough, harsh) |
| headlong(adjective, careless, anxious, worried, thoughtless) |
| hearty(adjective, resolute, tenacious) |
| heedless(adjective, careless, thoughtless, impulsive, stubborn) |
| impulsive(adjective, mean, violent, careless, wild) |
| insistent(adjective, resolute, tenacious) |
| lawless |
| pat(adjective, tough, difficult, determined, resolute) |
| pig-headed(adjective, impulsive, obstinate, stubborn, reckless) |
| reckless(adjective, mean, violent, careless, wild) |
| spunky(adjective, resolute, tenacious) |
| strong(adjective, violent, cold, wild, cruel) |
| unappeasable(adjective, determined, violence, resolute, uncompromising) |
| unchangeable(adjective, resolute) |
| unflinching(adjective, determined, fixed, resolute, stubborn) |
| unrestrained(adjective, passionate, wild, cruel, crazy) |