disclaim
definition
to renounce any claim or connection to something
example
The company decided to disclaim any responsibility for the faulty product, stating that it had been misused by the customers.
synonyms
denouncerejectdisavow
word origin — from Old French 'desclaimer', via Latin 'disclamare' (to cry out against), from 'dis-' (against) + 'clamare' (to shout or declare)