| deep-seated(adjective, fixed, persistent, hardened, lasting) |
| delivering |
| dependable(adjective, close, strong, tough, correct) |
| devoted(adjective, close, correct, warm, firm) |
| dying |
| experiencing(verb, abiding) |
| extended(adjective, extensive, expanded, lingering, prolonged) |
| fervent(adjective, complete, warm, total, passionate) |
| great(adjective, extraordinary, important, significant, deep) |
| hard-core(adjective, close, correct, firm, honest) |
| hard and fast |
| hearty(adjective, strong, sound, tough, fit) |
| heavy(adjective, strong, great, sound, tough) |
| immobile(adjective, resolute, persistent, dedicated, unwavering) |
| inalterable(adjective, certain, limited, definite, inflexible) |
| indulgent(adjective, calm, quiet, gentle, restrained) |
| inextinguishable |
| lenient(adjective, calm, quiet, gentle, restrained) |
| livelong(adjective, durable) |
| long-drawn-out(adjective, great, high, long, extended) |