| ever-changing(adjective, changeable) |
| feeble(adjective, loose, uncertain, shaky, hesitant) |
| hazardous(adjective, delicate, uncertain, unstable, doubtful) |
| intermittent(adjective, rough, anxious, irregular, unsettled) |
| patchy(adjective, continue, rough, odd, unreliable) |
| protean(adjective, unstable, unsettled, unpredictable, unreliable) |
| risky(adjective, weak, delicate, uncertain, unstable) |
| shaking(adjective, weak, active, unstable, irregular) |
| shifty(adjective, weak, uncertain, sensitive, doubtful) |
| sporadic(unreliable, uneven, variable, erratic, random) |
| staggering(adjective, light, shaky, faint, confused) |
| swaying(adjective, weak, slow, tired, dizzy) |
| teetering(adjective, shaky, uneven, unbalanced, unhinged) |
| top-heavy(unstable, uneven, crooked, unbalanced, danger) |
| trembling(adjective, weak, active, unstable, irregular) |
| tremulous(adjective, weak, unstable, unsettled, trembling) |
| unequal(adjective, rough, stable, irregular, odd) |
| unsystematic(adjective, unreliable, uneven, variable, erratic) |
| wayward(adjective, shaky, changeableness) |
| alterable(adjective, change, changeable, changeableness) |