/ ˈweɪvə(r); NAmE / verb [ v ]
1.
to be or become weak or unsteady :
His voice wavered with emotion.
Her determination never wavered.
She never wavered in her determination to succeed.
2.
waver (between A and B) | waver (on / over sth) to hesitate and be unable to make a decision or choice
SYN hesitate :
She's wavering between buying a house in the city or moving away.
3.
( especially of light ) to move in an unsteady way
► waver·er / ˈweɪvərə(r); NAmE / noun :
The strength of his argument convinced the waverers.
••
WORD ORIGIN
Middle English : from Old Norse vafra flicker, of Germanic origin. Compare with wave .