| resolved(adjective, strong, firm, certain, determined) |
| stable(adjective, good, strong, sound, tough) |
| sure(adjective, calm, good, close, strong) |
| trustworthy(adjective, good, close, strong, correct) |
| undeviating(adjective, strong, solid, intense, deliberate) |
| unflinching(adjective, strong, flat, firm, certain) |
| dauntless(adjective, determined, vigorous, noble, resolute) |
| dependable(adjective, good, close, strong, correct) |
| inflexible(adjective, strong, tough, flat, firm) |
| obstinate(adjective, strong, tough, firm, intense) |
| persevering(adjective, strong, tough, flat, firm) |
| secure(verb, adjective, calm, strong, sound) |
| stop(verb, end, halt, finish, prevent) |
| unfailing(adjective, good, strong, firm, honest) |
| ardent(adjective, close, kind, correct, firm) |
| liege(adjective, continue, firm, honest, sensible) |
| plucky(adjective, resolute, courageous, fearless, tenacious) |
| stiff(adjective, set, strong, hard, firm) |
| true-blue(adjective, good, close, strong, kind) |
| untiring(adjective, determined, perseverance, persevering) |