1) to vacillate irresolutely between choices : fluctuate in opinion, allegiance, or direction
2) to move unsteadily back and forth. swing
3) to exhibit irresolution or indecision; vacillate: hesitate.
4) to become unsteady or unsure; falter:
5) waverer, waveringly, wavered, wavering, wavers
6) to sway back and forth; to become unsteady, shake, or tremble; to vacillate in making a decision or in opinion t
7) to move to and fro; to sway; to be unsettled in opinion
相近词汇：dither, falter, fluctuate, oscillate, vaciliate, flutter, wobble; alternate
wavering <> staunch
waver : irresoluteness
waver : resolution
1. If you waver too long before making a decision about which testing site to register for, you may not get your first choice.
2. In the twenty-first mile of the marathon, she wavered in her determination to complete the race, but the spectators cheered her on.