Discredit – To cause people to stop respecting or believing in someone; harm a person's reputation
You do realise that this credit (discredit) card will stop people respecting you.
Examples of discredit in a sentence
Both candidates attempted to discredit each other on the run up to the election.
The scientists findings started to discredit religious scriptures.
The fans brought discredit to their teams by rioting in the terraces.