1. past tense and past participle of calumny; to make false and damaging statements about someone; to slander or defame
Usage: formal or literary; transitive verb

Examples

• The politician was calumnied by his opponents during the election campaign.
• She felt deeply hurt after being calumnied in the newspaper article.
• He calumnied his rival's reputation with false accusations.
• The witness calumnied the defendant with unsubstantiated claims.
• Throughout history, many great leaders have been calumnied by their enemies.
• The company calumnied its competitor's safety record in misleading advertisements.