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The malicious intention to be dishonest or to violate the law, as in negotiations over a contract.
[Translation of Latin mala fīdēs : mala, feminine singular of malus, bad + fīdēs, faith, honesty.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. intention to deceive; treachery or dishonesty (esp in the phrase in bad faith)
2. (Philosophy) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014