rancour

Universal Words (BrE) (AmE rancor) noun [U] (formal) feelings of hatred and a desire to hurt other people, especially because you think that sb has done sth unfair to you: There was rancour in his voice. * They divorced with remarkably little rancour. * She learned to accept criticism without rancour. rancorous adjective: a rancorous legal battle * The talks became increasingly bitter and rancorous.