1. a feeling of discontent, resentment, or jealousy; a sense of grievance or wounded pride
Usage: often used in the phrase 'without heartburning' to mean without resentment; somewhat archaic or literary

1. causing or characterized by resentment, discontent, or wounded feelings
Usage: archaic or literary

Examples

• She accepted the decision without heartburning, though she disagreed with it.
• His heartburning over being passed over for promotion lasted for months.
• The heartburning glances between the two rivals made the tension in the room unbearable.
• There was no heartburning in her acceptance of the outcome.
• He harbored a deep heartburning toward those who had wronged him.
• The heartburning nature of the dispute threatened to divide the community.