| lasting(adjective, strong, enduring, permanent, everlasting) |
| insoluble(adjective, density) |
| enduring(adjective, permanent, everlasting, eternal, remaining) |
| inseparable(adjective, junction, unable, cohesive) |
| permanent(adjective, strong, enduring, united, everlasting) |
| immortal(adjective, imperishable) |
| indivisible(adjective, whole, cohesive) |
| eternal(adjective, enduring, permanent, everlasting, remaining) |
| everlasting(adjective, strong, enduring, permanent, eternal) |
| perpetual(adjective, enduring, permanent, everlasting, eternal) |
| undying(adjective, stability, permanent, everlasting, eternal) |
| abiding(adjective, enduring, permanent, everlasting, eternal) |
| binding(adjective, permanent, required, obligatory) |
| cohesive(adjective, cohesive) |
| durable(strong, permanent, long-term, lifelong, indestructible) |
| firm(adjective, junction, permanent) |
| indestructible(adjective, stability, unable, lasting) |
| indissolvable(whole, stability, density) |
| set(adjective, junction) |
| constant(adjective, enduring, permanent, everlasting, eternal) |