| inconclusiveness(noun, trouble, concern, anxiety, confusion) |
| inconstancy(noun, weakness, fault, lack, lapse) |
| indifference(noun, tolerance, absence of choice) |
| oscillation(noun, trouble, concern, delay, anxiety) |
| question(noun, doubt, uncertainty, hesitancy) |
| scruple(noun, trouble, concern, delay, difficulty) |
| skepticism(noun, trouble, concern, delay, difficulty) |
| suspicion(noun, trouble, concern, difficulty, anxiety) |
| tentativeness(noun, act, delay, weakness, doubt) |
| tergiversation |
| unpredictability(noun, trouble, concern, anxiety, confusion) |
| unsettlement |
| weak point(noun, expression, difficulty, weakness, fault) |
| Achilles heel(noun, expression, weakness, fault, lack) |
| agnosticism(noun, difficulty, anxiety, confusion, doubt) |
| alternation |
| ambitendency |
| anticipation(anxiety, confusion, doubt, uncertainty, whodunit) |
| anxiety(noun, trouble, concern, confusion, doubt) |
| appetite(noun, weakness, fault, lack, lapse) |