| questionable(noun, adjective, open, certain, uncertainty) |
| debatable(noun, adjective, certain, uncertainty, uncertain) |
| moot(noun, adjective, open, certain, uncertain) |
| uncertain(noun, adjective, open, certain, uncertain) |
| doubtful(noun, adjective, open, certain, uncertain) |
| arguable(noun, adjective, open, certain, uncertain) |
| controversial(noun, adjective, open, uncertain, doubtful) |
| dubious(noun, adjective, open, uncertain, doubtful) |
| problematic(adjective, open, certain, uncertain, doubtful) |
| undecided(noun, adjective, uncertain, doubtful, dubious) |
| unsettled(noun, adjective, uncertain, doubtful, dubious) |
| contestable(adjective, uncertain, doubtful, vague, dubious) |
| problematical(adjective, certain, uncertain, doubtful, dubious) |
| suspect(adjective, uncertain, doubtful, vague, dubious) |
| suspicious(adjective, uncertain, doubtful, dubious, suspect) |
| controvertible |
| doubtable(dubious, suspect, shady, contentious, provocative) |
| open(adjective, uncertain, doubtful, dubious, suspect) |
| dubitable(adjective, uncertain, doubtful, dubious, tricky) |
| open to question(expression, adjective, idiom, uncertain, doubtful) |