The Establishment!’ said Professor Trelawney, in a deep, dramatic, wavering voice.
Hagrid’s face swam through the gloom by the light of the two wavering beams and Harry saw again that he looked nervous and sad.
"’A lone voice of truth… perceived as unbalanced, yet never wavered in his story… forced to bear ridicule and slander… " H mmm,’ she said, frowning, ’I notice they don’t mention the fact that it was them doing all the ridiculing and slandering in the Prophet…’ She winced slightly and put a hand to her ribs.
There are no more uses of "waver" in the book.
Show samples from other sources
Through good times and bad her love for him has never wavered.
We are looking for someone who won’t waver when things get tough.