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Synonyms

discredit

American  
[dis-kred-it] / dɪsˈkrɛd ɪt /

verb (used with object)

discredits, present (3rd person singular) discredited, past participle, past discrediting present participle
  1. to injure the credit or reputation of; defame.

    an effort to discredit honest politicians.

    Synonyms:
    undermine, tarnish, disgrace, disparage
  2. to show to be undeserving of trust or belief; destroy confidence in.

    Later research discredited earlier theories.

  3. to give no credence to; disbelieve.

    There was good reason to discredit the witness.


noun

  1. loss or lack of belief or confidence; disbelief; distrust.

    His theories met with general discredit.

  2. loss or lack of repute or esteem; disrepute.

  3. something that damages a good reputation.

    This behavior will be a discredit to your good name.

discredit British  
/ dɪsˈkrɛdɪt /

verb

  1. to damage the reputation of

  2. to cause to be disbelieved or distrusted

  3. to reject as untrue or of questionable accuracy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a person, thing, or state of affairs that causes disgrace

  2. damage to a reputation

  3. lack of belief or confidence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of discredit

First recorded in 1550–60; dis- 1 + credit

Explanation

Discredit means to cause mistrust or cast the accuracy of something into doubt. If you say that schooling is important to you, but you never study, your actions discredit you and your words. You discredit what someone says when you choose not to believe it. You can discredit the rumors going around about your boyfriend if you are sure of his love. On a more personal level, you discredit people when you cast their authority or reputation into doubt. If you're running a tough race for class president, your opponent may try to discredit you by talking about your failures or even making up lies about you. But this would be to the discredit of your opponent — his or her own reputation would suffer for this bad behavior.

Keep Reading on Vocabulary.com

Vocabulary lists containing discredit

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Without Khrushchev’s bold move to discredit the previously infallible, semidivine leader, there could have been no “thaw,” as the period he initiated was soon called.

From The Wall Street Journal Jul. 10, 2026

Her legal team described the businessman as a Russian-born exile and outspoken critic of Russian President Vladimir Putin, arguing that Pitt’s claims amounted to an inaccurate and xenophobic attempt to discredit him.

From MarketWatch Jul. 6, 2026

She praised Bernard as "an amazing human being" and said he had found it very difficult to see his stepmother in court "stand there and lie and try to discredit him".

From BBC May 26, 2026

“This is the reward for our warning the world that these viruses were coming,” Daszak says of the campaign to discredit EcoHealth.

From Los Angeles Times Apr. 30, 2026

There is ample evidence that pressure has been brought to bear on Ralph Meyers since his trial testimony which could tend to discredit his recantation.

From "Just Mercy" by Bryan Stevenson

"It's easier for the Russians this way, because it discredits Ukraine in the eyes of our partners and European countries," said Vitaliy Sova, a senior investigator.

From BBC Jun. 15, 2026

“This makes us vulnerable and discredits our goal to be a strong, independent geopolitical power,” Pentus-Rosimannus said.

From The Wall Street Journal Feb. 2, 2026

Justice Minister Marco Buschmann wrote that “violence against people or objects has no place in the political argument! This discredits the cause of many farmers who demonstrate peacefully.”

From Seattle Times Jan. 5, 2024

For this reason, Lacreuse said she doesn’t believe that the most recent chimpanzee study discredits the grandmother hypothesis.

From Salon Dec. 11, 2023

Craig said the problem with things is that everyone is always comparing everyone with everyone and because of that, it discredits people, like in his photography classes.

From "The Perks of Being a Wallflower" by Stephen Chbosky

Two concurring justices favored harmless-error review, which would preserve the verdict if the state proved, “beyond a reasonable doubt,” that the discredited testimony did not affect the outcome.

From Slate Jul. 17, 2026

His reforming zeal made him sympathetic to the Americans but would later come to seem discredited by the violent populism of the French Revolution.

From The Wall Street Journal Jun. 12, 2026

In response, the state said its law “safeguards public health” by prohibiting “a discredited practice” that was shown to be harmful.

From Los Angeles Times Mar. 31, 2026

Here, then, is a sampling of predictions, which range from the discredited to pseudoscience to the bizarre.

From Barron's Feb. 25, 2026

Enstice's conclusion was further discredited by Dr. Werner Spitz, who had authored the medical treatise Enstice had relied on in her forensic pathology training.

From "Just Mercy" by Bryan Stevenson

“Lavagna helped Milei and Caputo for two years by delaying the change, paying the price of discrediting both himself and the institute,” Exquanti said.

From The Wall Street Journal Feb. 5, 2026

In her claim, Crowley alleges Bass and her subordinates have conducted a “public smear campaign aimed at discrediting Crowley’s character and decades of service,” following her dismissal.

From Los Angeles Times Aug. 20, 2025

In its statement, the Congolese military said the Rwandan video was a "faked incident in poor taste orchestrated with the sole aim of discrediting our army".

From BBC Mar. 2, 2025

And this is why discrediting whistleblowers works so well.

From Salon Jun. 20, 2024

This is where I need to come up with my rebuttal, but not by discrediting my opponent.

From "The Benefits of Being an Octopus" by Ann Braden

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