| wonder(noun, trouble, concern, anxiety, confusion) |
| agnosticism(noun, difficulty, anxiety, confusion, doubt) |
| confusion(noun, trouble, concern, difficulty, anxiety) |
| indecisiveness |
| indeterminacy |
| indetermination |
| instability(noun, uncertainty) |
| question(noun, certain, lack) |
| ambivalence(noun, trouble, concern, anxiety, confusion) |
| bewilderment(noun, trouble, concern, anxiety, confusion) |
| changeableness(noun, trouble, concern, anxiety, confusion) |
| concern(noun, trouble, anxiety, confusion, doubt) |
| cynicism(noun, doubt, uncertainty, impression, guess) |
| dubitation |
| enigma(doubt, uncertainty, vagueness, haziness) |
| equivocality(noun, doubt, uncertainty, vagueness, haziness) |
| equivocation(noun, doubt, uncertainty, vagueness, haziness) |
| haziness(noun, uncertainty, vagueness) |
| hesitancy(noun, trouble, concern, difficulty, anxiety) |
| incredulity(noun, difficulty, anxiety, confusion, doubt) |