| objection(noun, dislike, challenge, disagreement, doubt) |
| perplexity(noun, trouble, concern, difficulty, anxiety) |
| recoil(withdrawal, shrinking, unwillingness) |
| respite |
| reticence(noun, reserve, silence, timidity, shyness) |
| shakiness(noun, anxiety, weakness, uncertainty, shake) |
| shilly-shallying(noun, uncertainty, wavering, indecision, vacillation) |
| stuttering(noun, delay, weakness, doubt, uncertainty) |
| timidness(noun, act, delay, weakness, shame) |
| unbelief(anxiety, doubt, uncertainty, fear, scruple) |
| uncertainness |
| unpredictability(noun, trouble, concern, anxiety, weakness) |
| unsteadiness(noun, anxiety, weakness, uncertainty, shake) |
| unwillingness(noun, delay, weakness, dislike, challenge) |
| worry(noun, trouble, concern, anxiety, confusion) |
| alternation(noun, anxiety, weakness, uncertainty, shake) |
| abeyance |
| alarm(noun, worry, anxiety, fear, uneasiness) |
| ambivalence(noun, trouble, concern, anxiety, confusion) |
| backwardness |