in someone's bad books
idiom
chiefly British, informal
: in a state in which one is not liked or treated nicely by someone
He remains in her bad books after that outburst.
Cite this Entry
“In someone's bad books.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20someone%27s%20bad%20books. Accessed 4 Dec. 2025.
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