Dim and wavering as was the wind-blown light, yet it served to show him the hideous error, as it seemed, into which he had fallen, for the face of the man he had sought to kill had all the bloom of boyhood, all the unstained purity of youth.
There are no more uses of "waver" in the book.
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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.