• fretful, harassed, pettish, resentful, to be choked
• anger, annoyance, bother, botheration, chagrin, cross, discomfiture, displeasure, irritation, miff, pain, unpleasantness, vexation
• avenger, nemesic, unforgiving, vengeful, vindicative, vindictive
• to pay off, to pay off a grudge, to wreak