Word parts change

dis- + credit

Pronunciation change

Verb change

Plain form
discredit

Third-person singular
discredits

Past tense
discredited

Past participle
discredited

Present participle
discrediting

  1. (transitive) If you are trying to discredit someone, you are trying to harm the good reputation of that person.
    The candidate tried to discredit his opponent.
    The evidence would tend to discredit such a theory.

Noun change

Singular
discredit

Plural
discredits

  1. Discredit is the loss of reputation or respect.