| eternal(adjective, change, continue, pause, constant) |
| immortal(adjective, constant, continuous, endless, indefinite) |
| everlasting(adjective, continue, steady, constant, continuous) |
| endless(adjective, continue, steady, constant, continuous) |
| ageless(adjective, change, endless, enduring, lasting) |
| perpetual(adjective, continue, steady, constant, continuous) |
| undying(adjective, eternal) |
| permanent(adjective, steady, constant, endless, lasting) |
| dateless(adjective, change, steady, constant, lasting) |
| infinite(adjective, continuous, endless, infinite, boundless) |
| ceaseless(adjective, continue, constant, continuous, endless) |
| deathless(adjective, eternal) |
| interminable(adjective, continue, steady, constant, continuous) |
| unending(adjective, continue, eternal) |
| classic(adjective, immortal) |
| never-ending(adjective, continuous, endless, infinite, continual) |
| unceasing(adjective, continue, steady, constant, continuous) |
| ancient |
| lasting(adjective, vast, permanent, everlasting, eternal) |
| constant(adjective, continue, steady, regular, continuous) |