| determined(verb, adjective, set, clear, strong) |
| firm(noun, adjective, calm, close, set) |
| stubborn(adjective, determined, uncompromising, obstinate, rigid) |
| rigid(adjective, tough, severe, firm, harsh) |
| inflexible(adjective, strong, hard, secure, tough) |
| uncompromising(adjective, clear, hard, secure, tough) |
| unyielding(adjective, appearance, clear, strong, hard) |
| intransigent(adjective, determined, rigid, obstinate, stubborn) |
| set(verb, adjective, calm, strong, secure) |
| fixed(adjective, set, strong, hard, secure) |
| obdurate(adjective, strong, hard, secure, tough) |
| inexorable(adjective, appearance, tough, severe, firm) |
| immovable(adjective, secure, firm, solid, determined) |
| steadfast(adjective, calm, close, clear, strong) |
| unbending(adjective, clear, strong, hard, tough) |
| insistent(adjective, set, firm, determined, steady) |
| unwavering(adjective, calm, close, strong, secure) |
| relentless(adjective, appearance, strong, tough, severe) |
| resolved(verb, adjective, set, strong, severe) |
| obstinate(adjective, strong, hard, tough, rough) |