| set apart(verb, expression, phrasal verb) |
| solid |
| spunky(adjective, resolute) |
| stern(adjective, resolute) |
| strong-minded(adjective, resolute) |
| sworn(adjective, keen, enthusiastic, devoted) |
| tried(adjective, firm, honest, ardent, upright) |
| tried and true(expression, adjective, idiom, firm, honest) |
| trustworthy(adjective, firm, honest, pure, upright) |
| trusty(adjective, firm, honest, pure, upright) |
| unbending(adjective, clear, tough, severe, determined) |
| unchanging |
| uncompromising(adjective, clear, tough, severe, determined) |
| unfailing(adjective, strong, firm, determined, steady) |
| unfeigned(adjective, complete, warm, honest, total) |
| unshakeable(adjective, resolute) |
| unstoppable |
| unyielding(adjective, clear, tough, severe, determined) |
| valiant(adjective, resolute) |
| vehement(adjective, clear, tough, severe, keen) |