rancor
Definitions
Bitter, long-lasting resentment or deep-seated ill will.
A feeling of intense hatred or malice.
Examples
Despite their long history of conflict, he spoke about his former rival without a trace of rancor.
The political debate was filled with such deep-seated rancor that it left the audience feeling exhausted.
Synonyms
resentment animosity bitterness hostility enmity malice spite
Antonyms
friendliness goodwill kindness affection amity benevolence harmony