What is the meaning of discredit?

noun

• The state of being held in low esteem.
  • usage: "your actions will bring discredit to your name"; "because of the scandal the school has fallen into disrepute"
  • synonyms: disrepute

verb

• Cause to be distrusted or disbelieved.
  • usage: "The paper discredited the politician with its nasty commentary"
• Damage the reputation of.
  • usage: "This newspaper story discredits the politicians"
  • synonyms: disgrace
• Reject as false; refuse to accept.
  • synonyms: disbelieve