| unsafe(adjective, delicate, uncertain, sensitive, unstable) |
| whimsical(adjective, unusual, irregular, dubious, unreliable) |
| capricious(adjective, unusual, irregular, dubious, unreliable) |
| venturesome(adjective, delicate, uncertain, unsound, risky) |
| fluky(adjective, changeable, risky, erratic, random) |
| insecure(adjective, delicate, uncertain, sensitive, unstable) |
| shaky(adjective, delicate, uncertain, unstable, doubtful) |
| unforeseeable(adjective, changeable, intention, erratic, random) |
| unreliable(adjective, delicate, uncertain, unstable, irregular) |
| unsure(noun, adjective, delicate, uncertain, unstable) |
| adventurous |
| delicate(adjective, uncertain, sensitive, unstable, doubtful) |
| dubious(adjective, delicate, uncertain, unstable, irregular) |
| ever-changing |
| incalculable(adjective, irregular, dubious, unreliable, changeable) |
| parlous(adjective, risky, dangerous, unsafe) |
| querulous(adjective, delicate, sensitive, tricky, impatient) |
| questionable(adjective, uncertain, shaky, unclear, unlikely) |
| sensitive(adjective, delicate, uncertain, unstable, doubtful) |
| slippery(adjective, delicate, uncertain, unstable, doubtful) |