| wild(adjective, tough, difficult, passionate, violent) |
| adventuresome(adjective, bold, brave, rash, daring) |
| aggressive(adjective, cruel, vicious, brutal, pugnacious) |
| antagonistic opposite(expression, negative, hostile, different, adverse) |
| bigoted(adjective, passionate, violent, enthusiastic, fervent) |
| breakneck(adjective, bold, rash, reckless, risky) |
| cavalier |
| cross-grained |
| dauntless(adjective, resolute, tenacious) |
| deaf(adjective, unwilling) |
| decided(adjective, resolute) |
| decisive(adjective, resolute, tenacious) |
| dedicated(adjective, resolute, fervent, zealous, obsessive) |
| diligent(adjective, resolute, tenacious) |
| dogmatic(adjective, passionate, violent, determined, fixed) |
| faithful(adjective, resolute, tenacious) |
| fanatic(adjective, fervent, zealous, dedicated, obsessive) |
| fervent(adjective, passionate, violent, enthusiastic, zealous) |
| fiery(adjective, passionate, careless, cruel, crazy) |
| hardened(adjective, determined, fixed, resolute, uncompromising) |