unfriendly or hostile relations; enmity; hostility; animosity: When the territory was being settled there was bad blood between the farmers and the ranchers.
Origin of bad blood
First recorded in 1815–25
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for bad bloodantagonism
British Dictionary definitions for bad blood
a feeling of intense hatred or hostility; enmity
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
Idioms and Phrases with bad blood
Anger or hostility between persons or groups, as in There's been bad blood between the two families for years. This term is based on the old association with blood and emotion, particularly anger. Versions such as ill blood preceded it; Charles Lamb was among the first to use the idiom in its current form in an 1823 essay.
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.