Definition of wavers:
(v) :
(intransitive) (figurative) To feel or show doubt or indecision; to be indecisive between choices; to vacillate.
(v) :
(intransitive) (figurative) To begin to weaken or show signs of weakening in resolve; to falter, to flinch, to give way.
(v) :
(intransitive) To swing or wave, especially in the air, wind, etc.; to flutter.
(v) :
(intransitive) (figurative) Of a body part such as an eye or hand, or the voice: to become unsteady; to shake, to tremble.
(v) :
(intransitive) (figurative) Of light, shadow, or a partly obscured thing: to flicker, to glimmer, to quiver.
(v) :
(intransitive) (figurative) Chiefly of a quality or thing: to change, to fluctuate, to vary.