| crazed(adjective, characteristic, insanity, craziness) |
| insane(adjective, characteristic, insanity, craziness) |
| lasting(adjective, characteristic, continuance, duration) |
| abiding(adjective, characteristic, lasting, continuance, duration) |
| constant(adjective, characteristic, lasting, continuance, duration) |
| resistant(adjective, characteristic, lasting, continuance, duration) |
| sound(adjective, characteristic, lasting, continuance, duration) |
| stable(adjective, characteristic, lasting, continuance, duration) |
| diuturnal(adjective, characteristic, lasting, continuance, duration) |
| fast(adjective, characteristic, lasting, continuance, duration) |
| impervious(adjective, characteristic, lasting, continuance, duration) |
| perdurable(adjective, characteristic, lasting, continuance, duration) |
| permanent(adjective, characteristic, lasting, continuance, duration) |
| persistent(adjective, characteristic, lasting, continuance, duration) |
| reliable(adjective, characteristic, lasting, continuance, duration) |
| tenacious(adjective, characteristic, lasting, continuance, duration) |
| dependable(adjective, characteristic, lasting, continuance, duration) |
| enduring(adjective, characteristic, lasting, continuance, duration) |
| firm(adjective, characteristic, lasting, continuance, duration) |
| fixed(adjective, characteristic, lasting, continuance, duration) |