| continuing(adjective, strong, continue, firm, certain) |
| resolved(adjective, strong, flat, firm, certain) |
| endless(adjective, continue, certain, determined, steady) |
| interminable(adjective, continue, determined, steady, constant) |
| unending(adjective, continue, steady, constant, current) |
| unfailing(adjective, strong, continue, firm, certain) |
| untiring(adjective, quiet, understanding, gentle, determined) |
| ceaseless(adjective, continue, certain, steady, regular) |
| chronic(adjective, continue, usual, regular, routine) |
| immovable(adjective, determined, stable, fixed, resolute) |
| unflinching(adjective, strong, flat, firm, certain) |
| unswerving(adjective, strong, tough, firm, determined) |
| diligent(adjective, resolute, persevering, tenacious) |
| eternal(adjective, continue, certain, pause, steady) |
| habitual(adjective, common, usual, steady, regular) |
| inflexible(adjective, strong, tough, flat, firm) |
| loyal(adjective, strong, firm, certain, moral) |
| obdurate(adjective, strong, tough, flat, firm) |
| repeated(adjective, determined, steady, regular, constant) |
| uninterrupted(adjective, continue, steady, regular, even) |