Rancor is a bitter and long lasting hatred.
Resentment is a feeling of anger due to a real or imagined injury or offense.
(Archaic) The gallbladder
Find another word for rancour. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for rancour, like: rancor, resentment, bitterness, gall, ill will, recrimination, animosity, scruple and malice.