1. bitter deep-seated resentment or ill will
Usage: British spelling; American spelling is ‘rancor’

Examples

• The divorce proceedings were filled with rancour between the former spouses.
• Despite years passing, she still harbored rancour toward her former business partner.
• The political debate was marked by personal rancour rather than substantive discussion.
• He spoke without rancour, having long ago forgiven the betrayal.
• The rancour between the two families had lasted for generations.
• Her voice was free of rancour as she discussed the incident.