| haphazard(adjective, characteristic, disorder, irregularity) |
| herky-jerky(adjective, characteristic, disorder, irregularity) |
| hit-or-miss(adjective, characteristic, disorder, irregularity) |
| impulsive(adjective, characteristic, disorder, irregularity) |
| inconstant(adjective, characteristic, disorder, irregularity) |
| inexact time |
| infrequent |
| irregular(adjective, characteristic, disorder, irregularity) |
| on-again-off-again(adjective, characteristic, disorder, irregularity) |
| periodic(adjective, characteristic, disorder, irregularity) |
| random(adjective, characteristic, disorder, irregularity) |
| recurrent(adjective, characteristic, disorder, irregularity) |
| restive(adjective, characteristic, disorder, irregularity) |
| restless(adjective, characteristic, disorder, irregularity) |
| shifting(adjective, characteristic, disorder, irregularity) |
| spasmodic(adjective, characteristic, disorder, irregularity) |
| sporadic(adjective, characteristic, disorder, irregularity) |
| statics |
| transient |
| unstable(adjective, characteristic, disorder, irregularity) |