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in bad faith

Idioms  
  1. With the intention of deceiving someone or doing harm, as in I'm sure they were acting in bad faith and never planned to pay us. This expression was first recorded in 1631. The antonym, in good faith, meaning “sincerely and honestly,” as in I signed that contract in good faith, dates from about 1350.


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.

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They added: "We refuse to be intimidated by those whose actions we believe are being taken in bad faith and with the intent to profit from the life of someone who willingly gave so much."

From BBC Sep. 23, 2026

But she determined in Monday’s ruling that she still had inherent authority to impose sanctions because the original lawsuit was filed in bad faith.

From The Wall Street Journal Jul. 13, 2026

Further, it claimed that guild management had “surveilled workers for union activity, terminated union supporters, and engaged in bad faith surface bargaining.”

From Los Angeles Times Mar. 1, 2026

He also denies acting in "bad faith" against Llinos Griffin-Williams.

From BBC Dec. 19, 2025

He demanded the return of his gifts, which she had accepted in bad faith.

From "A Clash of Kings" by George R.R. Martin

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