#1 discredit n. [disrepute] the state of being held in low esteem; "your actions will bring discredit to your name"; "because of the scandal the school has fallen into disrepute". wn
#2 discredit v. cause to be distrusted or disbelieved; "The paper discredited the politician with its nasty commentary". wn
#3 discredit v. [disgrace] damage the reputation of; "This newspaper story discredits the politicians". wn
#4 discredit v. [disbelieve] reject as false; refuse to accept. wn
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