| true(adjective, close, strong, direct, smooth) |
| untiring(adjective, determined, consistent, unchanging, persevering) |
| decided(adjective, firm, intense, certain, deliberate) |
| enduring(adjective, calm, close, strong, secure) |
| unchanging(adjective, close, smooth, correct, right) |
| devoted(adjective, close, strong, correct, firm) |
| insistent(adjective, determined, resolute, obstinate, uncompromising) |
| solid(adjective, calm, strong, secure, firm) |
| stiff(adjective, determined, resolute, purpose, rigid) |
| unshakeable(adjective, determined, resolute, uncompromising) |
| fast(adjective, calm, close, strong, secure) |
| intransigent(adjective, secure, determined, steady, fixed) |
| invariable(adjective, calm, strong, solid, steady) |
| lasting(adjective, calm, strong, firm, solid) |
| reliable(adjective, calm, close, strong, secure) |
| single-minded(adjective, firm, sensible, solid, intense) |
| sure(adjective, calm, close, strong, secure) |
| unchangeable(adjective, calm, strong, secure, flat) |
| unshaken(adjective, set, clear, strong, flat) |
| abiding(adjective, calm, strong, secure, flat) |