1. in a manner seeking to harm someone in return for a perceived wrong; vindictively

Examples

• She glared at him revengefully after he embarrassed her in front of the class.
• The villain smiled revengefully as he plotted against his enemies.
• He spoke revengefully about those who had wronged his family.
• The character acted revengefully throughout the entire story.
• She revengefully spread rumors about her former friend.
• The king ruled revengefully against those who had betrayed him.