spite
Ill will or hatred toward another, accompanied with the desire to unjustifiably irritate, annoy, or thwart; a want to disturb or put out another; mild malice.
Example
“He was so filled with spite for his ex-wife, his brother was afraid of what he might do.”
Other meanings
Vexation; chagrin; mortification.
Word history
From Latin "dēspiciō" (to look down, despise).
Where this comes from
This definition is adapted from “spite” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.