disclaim
verb
[ dɪsˈkleɪm ]
• refuse to acknowledge; deny.
• "the school disclaimed any responsibility for his death"
Similar:
deny,
refuse to accept,
refuse to acknowledge,
reject,
wash one's hands of,
Origin:
late Middle English (in legal contexts): from Anglo-Norman French desclamer, from des- (expressing reversal) + clamer ‘to claim’ (see claim).