Synonyms of 'falter'
I have not faltered in my quest for a new future.
As he neared the house, he faltered.
Her voice faltered and she had to stop a moment to control it.
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If someone's voice breaks when they are speaking, it changes its sound, for example because they are sad or afraid.
Godfrey's voice broke, and halted.
Thesaurus for falter from the Collins English Thesaurus
If something falters , it loses power or strength in an uneven way, or no longer makes much progress .