see under in bad faith.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use in good faith in a sentence
Rivers was dug in behind this innocent-purchase-and-sale-in-good-faith Maginot Line of his.Murder in the Gunroom | Henry Beam Piper