We've found 3 phrases for discredit (0.116 seconds):

damn by association »    Discredit or condemn a position, person, or thing by attacking those things with which he/she/it is associated.

dig up dirt »    To examine in order to find negative information for public opinion, usually with the purpose of embarrassing or discrediting a person.

flat-earther »    A person who believes or advocates an outlandish, discredited theory; a person who refuses to acknowledge the truth despite overwhelming evidence.

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