- to cause (someone or something) to seem dishonest or untrue
- The prosecution discredited the witness by showing that she had lied in the past.
- Many of his theories have been thoroughly discredited.
- an attempt to discredit the governor
- His criminal activities brought discredit on/upon/to his family.
- This scandal has brought the whole enterprise into lasting discredit.
- To our discredit, we failed to offer help when it was most needed.