| no way(noun, chance) |
| slim chance(noun, chance) |
| doubtable(uncertain, shaky, unclear, unlikely, questionable) |
| impossible(noun, chance) |
| long shot(expression, uncertainty, uncertain, shaky, unclear) |
| on thin ice(expression, uncertain, shaky, unclear, unlikely) |
| ambiguous(uncertain, shaky, unclear, unlikely, questionable) |
| contingent(uncertain, shaky, unclear, unlikely, questionable) |
| dicey(uncertain, shaky, unclear, unlikely, questionable) |
| dubitable(uncertain, shaky, unclear, unlikely, questionable) |
| far-fetched(uncertain, shaky, unclear, unlikely, questionable) |
| forget it |
| impugnable(uncertain, shaky, unclear, unlikely, questionable) |
| inconclusive(uncertain, shaky, unclear, unlikely, questionable) |
| indefinite(uncertain, shaky, unclear, unlikely, questionable) |
| indeterminate(uncertain, shaky, unclear, unlikely, questionable) |
| indistinct(uncertain, shaky, unclear, unlikely, questionable) |
| insecure(uncertain, shaky, unclear, unlikely, questionable) |
| nix |
| obscure(uncertain, shaky, unclear, unlikely, questionable) |