To approve or applaud.
The antonym of credential is discredit or disqualification.
disregard, disclaim, discredit
The opposite financially is debit.(An "opposite form of payment" is cash, immediate rather than deferred.)For the meaning of "credit" as trust or recognition, the opposite would be discredit or disapproval.
The prefix of "discredit" is "dis-".
The prefix for "discredit" is "dis-."
I discredit my friend from the spelling bee contest and I am ashamed
The journalist tried to discredit the politician's claims by presenting evidence that contradicted them.
The news article aimed to discredit the false claims made by the politician.
The candidate tried to discredit his opponent.
Yes. example : The evidence would tend to discredit such a theory.
Discredit : to invalidate, or to cast doubt on a person's work Example : "The new find seemed to discredit earlier theories about atomic particles." Example : "The revelation that he was paid by tobacco companies was designed to discredit the scientist and his clinical studies."
Each presidential candidate tried to discredit the other candidate.