| successive(adjective, continuity) |
| unvarying(adjective, quiet, smooth, right, soft) |
| gradual(adjective, gentle, slow, steady, regular) |
| solid(verb, adjective, sound, smooth, level) |
| entire(adjective, complete, whole, continuity) |
| lasting(adjective, certain, fixed, persistent, constant) |
| ongoing(adjective, continue, slow, steady, regular) |
| repeated(adjective, constant, unending) |
| repetitive |
| running(verb, adjective, smooth, solid, short) |
| sustained(adjective, persistent, constant, unyielding, endless) |
| unchanging(adjective, smooth, right, flat, level) |
| persisting(adjective, steady, persistent, constant, endless) |
| round-the-clock(adjective, continue, continual) |
| sequential(adjective, order) |
| undeviating(adjective, quiet, direct, smooth, right) |
| unfailing(adjective, continue, certain, unchanging) |
| abiding(adjective, certain, persistent, constant, reliable) |
| chronic(adjective, fixed, persistent, constant, endless) |
| flush(adjective, calm, quiet, direct, smooth) |