refute
US /rɪˈfjuːt/
UK /rɪˈfjuːt/
1.
prove (a statement or theory) to be wrong or false; disprove.
:
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These claims have been refuted by the evidence.
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It is difficult to refute his argument.
2.
deny the truth or accuracy of (a statement or theory).
:
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He attempted to refute the allegations.
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The company refuted claims of unsafe practices.