| distrust(noun, trouble, concern, anxiety, confusion) |
| doubt(noun, trouble, concern, anxiety, confusion) |
| doubtfulness(noun, trouble, concern, anxiety, confusion) |
| dubiety(noun, trouble, concern, anxiety, confusion) |
| eccentricity |
| fibrillation |
| fitfulness(noun, anxiety, weakness, uncertainty, shake) |
| fits and starts(expression, idiom) |
| fluidity(noun, anxiety, weakness, uncertainty, shake) |
| flux(noun, uncertainty, variability, unsteadiness, volatility) |
| frailty(noun, anxiety, weakness, uncertainty, shake) |
| guesswork(noun, trouble, concern, anxiety, confusion) |
| hesitancy(noun, trouble, concern, anxiety, confusion) |
| imbalance(noun, anxiety, weakness, uncertainty, variability) |
| immaturity(noun, anxiety, weakness, uncertainty, shake) |
| impermanence(noun, anxiety, weakness, uncertainty, shake) |
| improbability |
| inconclusiveness(noun, trouble, concern, anxiety, confusion) |
| inquietude(noun, anxiety, weakness, uncertainty, shake) |
| intermittence |