challenge credibility

[ˈtʃælɪndʒ krəˈdɪbɪlɪti]
verb phrase
questionar a credibilidade
1. to express doubt about or dispute the truthfulness, reliability, or trustworthiness of a person, statement, or source
The opposition party decided to challenge the credibility of the witness during the trial.
O partido de oposição decidiu questionar a credibilidade da testemunha durante o julgamento.
2. to call into question the authority or expertise of someone making claims
Several experts challenged the credibility of the report by pointing out methodological flaws.
Vários especialistas questionaram a credibilidade do relatório apontando falhas metodológicas.
3. to undermine or damage someone's reputation or standing through criticism or evidence
The leaked emails challenged the credibility of the company's environmental claims.
Os e-mails vazados questionaram a credibilidade das afirmações ambientais da empresa.
In both Brazilian and American legal and political contexts, challenging credibility is a fundamental part of adversarial processes. In Brazil, this phrase is particularly common in judicial proceedings and political debates. In the US, it's prevalent in courtroom cross-examinations, journalism, and political discourse. The phrase reflects the importance of evidence-based argumentation in Western democratic and legal systems.
NYC Slang
call out someone's facts
Synonyms / Sinônimos
dispute credibilityundermine credibilityquestion credibilitycast doubt onimpugn credibilitydiscredit
Antonyms / Antônimos
establish credibilityvalidate credibilityreinforce credibilityendorse credibilitysupport credibility

Regional Variations

General Brazilian
questionar a credibilidade
most common and formal usage across Brazil
Rio de Janeiro
colocar em dúvida a credibilidade
emphasizes the element of doubt
São Paulo
contestar a credibilidade
more legalistic and formal tone, common in business contexts
Portugal
contestar a credibilidade
formal usage, similar to São Paulo variant

Related Words

credibilitytrustworthinessreputationintegrityauthenticityreliabilityskepticismlegitimacy

Related Idioms & Phrases

put someone's credibility on the line
cast aspersions on credibility
raise questions about credibility
put someone in hot water
call someone's bluff
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