I. dis ‧ cred ‧ it 1 /dɪsˈkredət, dɪsˈkredɪt/ BrE AmE verb [transitive]
1 . to make people stop respecting or trusting someone or something:
The company’s lawyers tried to discredit her testimony.
2 . to make people stop believing in a particular idea:
His theories have now been discredited.
II. discredit 2 BrE AmE noun [uncountable]
the loss of other people’s respect or trust
to sb’s discredit
To his discredit, he knew about the problem but said nothing.
bring discredit on/upon/to somebody/something
The behaviour of fans has brought discredit on English football.