Dictionary.com
Thesaurus.com
Synonyms

bad faith

American  

noun

  1. lack of honesty and trust.

    Bad faith on the part of both negotiators doomed the talks from the outset.


bad faith British  

noun

  1. intention to deceive; treachery or dishonesty (esp in the phrase in bad faith )

  2. Also called: mauvaise foi.  (in the philosophy of the 20th-century French philosopher Jean-Paul Sartre) self-deception, as when an agent regards his actions as conditioned by circumstances or conventions in order to evade his own responsibility for choosing them freely

"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

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:

"There is no evidence of bad faith, malice, corruption, fraud, partiality, or any want of integrity on the part of Referee Mark Lyson," the commission added.

From BBC Jun. 18, 2026

She’s aware she’s being betrayed by the bad faith of her family; she’s cognizant of being vulnerable to an inappropriate affection for the one person who trusts her.

From The Wall Street Journal Jun. 9, 2026

The company accused Wilson of negotiating in bad faith after he proposed new terms, which it called “numerous new demands.”

From The Wall Street Journal May 19, 2026

The strike began in February, weeks before the WGA was set to enter negotiations with the major studios, with the workers accusing their employer of bargaining in bad faith.

From Los Angeles Times May 8, 2026

“Yes, you’re right,” Jaime would grudgingly admit with a rectitude that prevented him from arguing in bad faith.

From "The House of the Spirits: A Novel" by Isabel Allende

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training