| doubt(noun, upset, trouble, fix, worry) |
| incertitude(noun, difficulty, anxiety, confusion, certain) |
| hesitation(noun, difficulty, anxiety, weakness, confusion) |
| doubtfulness(noun, anxiety, certain, doubt, lack) |
| misgiving(noun, upset, trouble, worry, concern) |
| dubiety(noun, difficulty, anxiety, confusion, issue) |
| mistrust(noun, trouble, worry, concern, difficulty) |
| indefiniteness(noun, state, quality, clear, doubt) |
| qualm(noun, difficulty, anxiety, confusion, doubt) |
| suspense(noun, trouble, worry, concern, difficulty) |
| suspicion(noun, difficulty, anxiety, confusion, certain) |
| vagueness(noun, state, quality, clear, anxiety) |
| ambiguity(noun, state, quality, clear, difficulty) |
| anxiety(noun, upset, worry, concern, weakness) |
| apprehension(noun, upset, trouble, worry, concern) |
| dubiousness(noun, difficulty, anxiety, confusion, certain) |
| irresolution(noun, difficulty, anxiety, weakness, confusion) |
| hesitancy(noun, difficulty, anxiety, confusion, doubt) |
| indecision(noun, difficulty, anxiety, confusion, doubt) |
| quandary(noun, fix, difficulty, anxiety, twist) |