| imagine(verb, dispute, challenge, doubt, question) |
| insinuate(verb, dispute, challenge, doubt, question) |
| qualm(noun, doubt, fear, distrust, suspicion) |
| smell a rat(verb, expression, idiom, dispute, challenge) |
| surmise(verb, dispute, challenge, doubt, question) |
| anxiety(noun, doubt, misgiving, pang) |
| be apprehensive of(verb, dispute, challenge, doubt, question) |
| be curious(verb, dispute, challenge, doubt, question) |
| be dubious(verb, dispute, challenge, doubt, question) |
| be in a quandary(verb, dispute, challenge, doubt, question) |
| be puzzled(verb, dispute, challenge, doubt, question) |
| be uncertain(verb, dispute, challenge, doubt, question) |
| be undetermined(verb, dispute, challenge, doubt, question) |
| call in question(verb, expression, idiom, dispute, challenge) |
| disbelief(noun, doubt, distrust, suspicion) |
| dread(noun, verb, fear, anticipate, apprehend) |
| dubitation |
| give no credence(verb, expression, idiom, dispute, challenge) |
| harbor suspicion(verb, expression, dispute, challenge, doubt) |
| have qualms(verb, expression, dispute, challenge, doubt) |