| constant(adjective, dull, smooth, right, continue) |
| continuous(adjective, direct, smooth, right, continue) |
| incessant(adjective, continue, determined, regular, normal) |
| perpetual(adjective, continue, determined, usual, steady) |
| unceasing(adjective, continue, persistent, constant, continuous) |
| persistent(adjective, continue, certain, determined, usual) |
| uninterrupted(adjective, direct, smooth, right, continue) |
| ceaseless(adjective, dull, continue, certain, boring) |
| endless(adjective, continue, certain, determined, persistent) |
| unremitting(adjective, continue, determined, persistent, constant) |
| regular(adjective, smooth, right, flat, level) |
| interminable(adjective, continue, determined, persistent, constant) |
| recurrent(adjective, regular, persistent, constant, continuous) |
| steady(adjective, smooth, right, flat, level) |
| unending(adjective, continue, stable, persistent, constant) |
| everlasting(adjective, continue, stable, persistent, constant) |
| eternal(adjective, continue, certain, pause, persistent) |
| frequent(adjective, common, regular, constant, established) |
| relentless(adjective, continue, determined, persistent, constant) |
| repeated(adjective, dull, regular, constant, continuous) |