| tricky(adjective, false, dishonest, deceitful, unpredictable) |
| borderline(adjective, clear, certain, uncertain, doubtful) |
| contestable(adjective, uncertain) |
| dishonest(adjective, false, corrupt, immoral, deceitful) |
| fallible(adjective, uncertainty, unpredictable, unreliable, fickle) |
| implausible(adjective, weak, great, flat, poor) |
| in doubt(expression, adjective, idiom, clear, certain) |
| indeterminate(adjective, clear, certain, uncertain, doubtful) |
| unclear(adjective, clear, rough, certain, uncertain) |
| unresolved(adjective, uncertain, doubtful, unsettled, vague) |
| doubtable(adjective, uncertain, doubtful, unsettled, shaky) |
| false(adjective, dishonest, deceitful, unpredictable, unreliable) |
| far-fetched(adjective, extraordinary, uncertain, doubtful, absurd) |
| in question(expression, adjective, idiom, clear, weak) |
| indecisive(adjective, clear, certain, uncertain, anxious) |
| insecure(adjective, uncertain, unreliable, treacherous, incalculable) |
| mysterious(adjective, unusual, strange, uncertain, doubtful) |
| obscure(adjective, uncertain, doubtful, vague, dubious) |
| open(adjective, uncertain, doubtful, unsettled, shaky) |
| unconvincing(adjective, weak, great, flat, poor) |