Calumny (noun)

1. A false and malicious statement made about someone with the intent to harm their reputation.
2. The act of making such a statement.

Origin:

From latin calumnia, from calvi ("to deceive, to trick").

Examples:

1. He was falsely accused of embezzlement in a campaign of calumny.
2. The accusations of fraud were later proven to be calumny.
3. The calumny spread quickly and ruined the politician's reputation.
4. The employee was the victim of calumny by her colleagues.
5. The calumny was intended to damage the reputation of the company.