To prove that someone is wrong by giving evidence or a stronger argument; to refute completely.
From Latin confutare, meaning 'to suppress' or 'to silence' (com- 'with' + futare, possibly 'to beat'). The meaning evolved to mean 'defeat in argument.'
This is a more formal, satisfying way to say 'prove wrong'—it implies a complete victory in argument, not just disagreement. It was the favorite word of philosophers and theologians during the Renaissance.
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