Defamatory (adjective)

1. Tending to harm the reputation of a person or group, by making false or damaging statements.
2. Making false statements that harm the reputation of an individual or group.

Origin:

From defame + -atory.

Examples:

1. The newspaper published a defamatory article about the politician.
2. He filed a defamation lawsuit against the magazine for publishing a false and damaging article about him.
3. The statement was considered defamatory and was removed from the website.
4. The lawyer argued that the tweet was defamatory and could harm his client's reputation.
5. The company's reputation was damaged by the defamatory comments made by a former employee.