discredit

/dɪsˈkrɛdɪt/
verb
  1. To cause someone or something to be regarded as untrustworthy, false, or not respectable.
    • New evidence discredited the theory that the disease was caused by a virus.
    • The journalist tried to discredit the politician by publishing old rumors.
    • Spreading lies to discredit your opponent is a dishonest campaign tactic.
  2. To damage the reputation or credibility of someone or something.
    • His constant exaggerations discredited everything he said.
    • The scandal discredited the entire company in the eyes of the public.
    • The false accusation was meant to discredit the teacher among her students.
noun
  1. Loss or lack of reputation, trust, or respect; disgrace.
    • His actions brought discredit upon his family name.
    • The cheating scandal brought discredit to the whole team.
    • The scientist's fraud brought discredit to the field of research.
Antonyms