| questionable(shaky, unlikely, unpromising) |
| debatable(shaky, unlikely, unpromising) |
| doubtful(adjective, open, obscure, delicate, uncertain) |
| ambiguous(adjective, delicate, uncertain, unstable, doubtful) |
| arguable |
| borderline(adjective, delicate, uncertain, unstable, doubtful) |
| chancy(adjective, delicate, uncertain, unstable, doubtful) |
| clouded(shaky, unlikely, unpromising) |
| contestable |
| contingent(adjective, delicate, uncertain, unstable, doubtful) |
| contradictable |
| dangerous(adjective, delicate, uncertain, unstable, doubtful) |
| delicate(adjective, uncertain, unstable, doubtful, unsettled) |
| dicey(adjective, delicate, uncertain, unstable, doubtful) |
| disputable |
| disreputable(shaky, unlikely, unpromising) |
| doubtable(doubtful, shaky, risky, unlikely, unpromising) |
| dubious(adjective, open, delicate, uncertain, unstable) |
| dubitable(shaky, unlikely, unpromising) |
| dynamite(adjective, delicate, uncertain, unstable, doubtful) |