| ceaseless(fixed, persistent, continuous, lasting, continuing) |
| chronic(adjective, fixed, persistent, continuous, lasting) |
| omnipresent(adjective, universal) |
| abiding(fixed, persistent, continuous, lasting, continuing) |
| confirmed(fixed, persistent, continuous, lasting, continuing) |
| constant(fixed, persistent, continuous, lasting, continuing) |
| continual(fixed, persistent, continuous, lasting, continuing) |
| continuing(fixed, persistent, continuous, lasting, remaining) |
| continuous(fixed, persistent, lasting, continuing, remaining) |
| deep-rooted(fixed, persistent, continuous, lasting, continuing) |
| deep-seated(fixed, persistent, continuous, lasting, continuing) |
| enduring(fixed, persistent, lasting, remaining, chronic) |
| fixed(persistent, continuous, lasting, continuing, remaining) |
| habitual(fixed, persistent, continuous, lasting, continuing) |
| inborn(fixed, persistent, continuous, lasting, continuing) |
| inbred(fixed, persistent, continuous, lasting, continuing) |
| incurable(fixed, persistent, continuous, lasting, continuing) |
| ineradicable(fixed, persistent, continuous, lasting, continuing) |
| ingrained(fixed, persistent, continuous, lasting, continuing) |
| inveterate(fixed, persistent, continuous, lasting, continuing) |