To deny knowledge of, responsibility for, or association with someone or something, typically to distance oneself from controversial actions or statements. Implies a more personal rejection than mere denial.
From Old French 'desavouer,' combining 'des-' (un-, dis-) with 'avouer' (to acknowledge), from Latin 'advocare' (to call to one's aid). Originally meant to refuse to acknowledge as one's own.
Politicians frequently disavow former allies or statements when they become politically inconvenient - it's stronger than just disagreeing because it suggests the connection never should have existed in the first place!
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