| thin-skinned(delicate, sensitive, unstable, unreliable, fickle) |
| uncomfortable(difficult, awkward, uneasy, tricky, problematic) |
| untrustworthy(uncertainty, uneven, insecure, unbalanced, risky) |
| uphill(adjective, difficult) |
| vacillant |
| baffling(hard, tough, delicate, complex, complicated) |
| bothersome(adjective, tough, difficult, tricky, complicated) |
| burdensome(adjective, difficult) |
| cantankerous(adjective, difficult, delicate, sensitive, tricky) |
| contrary(adjective, difficult, careless, unstable, unreasonable) |
| dodgy(adjective, risky, dangerous, treacherous, unsafe) |
| doubtful(noun, adjective, weak, delicate, uncertain) |
| fallible |
| fine(adjective, understanding, keen, sensible, delicate) |
| freakish(adjective, change, continue, careless, unstable) |
| harsh(adjective, difficult) |
| high-strung(adjective, understanding, keen, fine, sensible) |
| involved(hard, delicate, awkward, tricky, complicated) |
| lubricious(careless, lively, unstable, unreasonable, unpredictable) |
| mean(delicate, sensitive, unstable, unreliable, fickle) |