| doubtfulness(noun, trouble, concern, anxiety, confusion) |
| dubiety(noun, trouble, concern, difficulty, anxiety) |
| hesitation(noun, trouble, concern, difficulty, anxiety) |
| unbelief(noun, anxiety, doubt, uncertainty, fear) |
| cynicism(noun, doubt, uncertainty, melancholy, impression) |
| jealousy(noun, uncertainty, impression, guess, apprehension) |
| query(noun, verb, trouble, oppose, concern) |
| scruple(noun, verb, trouble, concern, dispute) |
| smell a rat(verb, expression, idiom, dispute, challenge) |
| diffidence(noun, difficulty, anxiety, confusion, doubt) |
| fear(noun, verb, dispute, difficulty, anxiety) |
| hesitancy(noun, trouble, concern, difficulty, anxiety) |
| leeriness(noun, doubt, uncertainty, trust, dissent) |
| suspiciousness |
| be suspicious of(verb, expression, idiom, doubt, suspect) |
| be wary of(verb, expression, idiom, doubt, suspect) |
| caution(noun, doubt, suspicion) |
| challenge(verb, oppose, dispute, doubt, question) |
| disfavor(noun, dislike, disgrace) |
| have reservations(verb, expression, idiom, question, suspect) |