| accidental(adjective, chancy) |
| audacious(adjective, daring, reckless) |
| brave(adjective, bold, daring, reckless, adventurous) |
| causeless(adjective, chancy) |
| chance(adjective, chancy) |
| damaging(adjective, harmful, dangerous, injurious, destructive) |
| defective |
| destructive(adjective, dangerous, injurious, damaging) |
| endangered(adjective, dangerous, hazardous, dodgy) |
| fluky(adjective, chancy) |
| lethal(adjective, dangerous, unsafe) |
| offside(adjective, borderline, off-color, risque, off-colored) |
| ominous(adjective, dangerous) |
| on thin ice(expression, adjective, idiom, delicate, uncertain) |
| problematic(adjective, delicate, uncertain, awkward, unstable) |
| querulous(adjective, delicate, sensitive, tricky, impatient) |
| questionable(adjective, doubtful, vague, unsure) |
| rash(adjective, foolish, anxious, bold, worried) |
| rickety(adjective, uneven, unbalanced, unhinged) |
| tight |