| punctual(adjective, characteristic, time, quality, timing) |
| resolved(adjective, strong, flat, firm, certain) |
| timeless(adjective, continue, steady, regular, continuous) |
| tough(adjective, calm, strong, secure, firm) |
| unbending(adjective, strong, flat, firm, certain) |
| unchanged(adjective, wild, original, fixed, basic) |
| unshakable(adjective, firm, certain, steady, definite) |
| attached(adjective, close, correct, firm, honest) |
| certain(adjective, good, strong, complete, firm) |
| common(adjective, calm, smooth, reasonable, flat) |
| conscientious(adjective, good, close, strong, sound) |
| correspondent(adjective, common, popular, universal, joint) |
| decided(adjective, firm, certain, definite, serious) |
| liege(adjective, continue, firm, honest, sensible) |
| ongoing(adjective, continue, current, continuous, permanent) |
| round-the-clock(adjective, continue, continual) |
| routine(adjective, regular, normal, persistent, customary) |
| straight(adjective, calm, close, direct, smooth) |
| sure(adjective, calm, good, close, strong) |
| undying(adjective, continuous, endless, enduring, lasting) |