Sentence examples similar to deep-seated malice from inspiring English sources

"deep-seated malice" is a correct and commonly used phrase in written English
It refers to a strong and deeply ingrained feeling of hatred or ill will towards someone. It is often used to describe a long-standing or persistent grudge or resentment. Example: The two neighbors had been feuding for years, each holding on to a deep-seated malice that bubbled up every time they saw each other.