| doubtable(shaky, unlikely, unpromising) |
| endangered(adjective, delicate, uncertain, unsound, vulnerable) |
| equivocal(adjective, delicate, uncertain, unstable, doubtful) |
| fluctuating(adjective, uneven, unbalanced, unhinged) |
| hairy(adjective, delicate, uncertain, sensitive, unstable) |
| immature(adjective, vulnerable, dangerous, unprotected, precarious) |
| incalculable(adjective, unreliable, treacherous) |
| inconstant(adjective, doubtful, shaky, vague, uneven) |
| indecisive(adjective, delicate, uncertain, nervous, unstable) |
| indefinite(adjective, open, uncertain, doubtful, unsettled) |
| inhibited(adjective, feel doubt) |
| irregular(adjective, doubtful, vague, unsure) |
| jittery(weak, awkward, unstable, unsettled, uncomfortable) |
| lax(adjective, clear, separate, free, easy) |
| lethal(risky, dangerous, unsafe) |
| loosened(adjective, clear, separate, free, easy) |
| mercurial(adjective, uneven, unbalanced, unhinged) |
| mistrustful(adjective, uncertain, nervous, doubtful, shaky) |
| modest |
| moot(adjective, uncertain) |