rancorous
Definitions
Characterized by deep-seated, bitter resentment or ill will.
Showing long-standing malice or spite.
Examples
The two former business partners engaged in a rancorous debate that lasted for hours.
After the divorce, their relationship remained rancorous, marked by constant legal battles and bitter accusations.
The rancorous atmosphere in the boardroom made it impossible for the team to reach a consensus on the new project.
Synonyms
bitter resentful acrimonious vengeful hostile spiteful malicious
Antonyms
amiable friendly forgiving benevolent kind cordial affectionate