A person who denies or rejects something, especially responsibility or connection to something.
From dis- (prefix meaning 'opposite') + avow (from Old French avouer, meaning 'to acknowledge'). The -er suffix denotes an agent or person performing the action. First used in English in the 16th century.
Disavower captures something deeply human: our impulse to publicly deny involvement in things we're embarrassed about. It's the person saying 'I never said that!' — and the word itself has been around since people started lying.
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