| checked(adjective, irregular, sporadic) |
| disturbed(adjective, anxious, irregular, unsettled, agitated) |
| even |
| flickering(adjective, irregular, disturbed, changeable, variable) |
| fragmentary(unreliable, uneven, variable, erratic, random) |
| incessant(adjective, regular, normal, continuous, everlasting) |
| infrequently(adverb, variable, vacillating, intermittently, sporadically) |
| metrical(adjective, irregular, sporadic) |
| nonuniform(unreliable, uneven, variable, erratic, random) |
| off-and-on |
| persistent(adjective, regular, normal, continuous, everlasting) |
| rambling(irregular, unpredictable, unreliable, distributed, dispersed) |
| repeated(adjective, regular, routine, normal, continuous) |
| rough(adjective, irregular, odd, unbalanced, unsteady) |
| stop-and-go(adjective, irregular, erratic, recurrent, sporadic) |
| uncertain(adjective, irregular, unpredictable, unreliable, changeable) |
| unconnected |
| unmethodical(adjective, unreliable, uneven, variable, erratic) |
| unpredictable(adjective, irregular, unreliable, changeable, uneven) |
| unsettled(adjective, anxious, irregular, agitated, restless) |