| stubborn(adjective, resolute, tenacious) |
| chivalrous(adjective, strong, polite, noble, thoughtful) |
| firm(adjective, strong, vigorous, noble, bold) |
| lionhearted(adjective, strong, tough, firm, determined) |
| self-confident(self-assured, poised) |
| strong(adjective, tough, determined, noble, bold) |
| tenacious(adjective, strong, tough, vigorous, bold) |
| unwavering(adjective, resolute) |
| unapprehensive(adjective, bold, courage, unconcerned, brave) |
| daredevil(adjective, person, strong, feelings, bold) |
| dashing(adjective, strong, polite, thoughtful, bold) |
| devoted(adjective, resolute, tenacious) |
| fortitudinous(adjective, fear, bold, brave, stout) |
| gritty(adjective, strong, tough, energetic, passionate) |
| gutty(adjective, slang, fear, noble, bold) |
| hearty(adjective, resolute, tenacious) |
| indefatigable(adjective, resolute, tenacious) |
| invincible(adjective, bold, courageous) |
| lion-hearted(adjective, vigorous, noble, daring, stout) |
| tireless(adjective, resolute, tenacious) |