There are multiple definitions - click on the translation that matches your context.

Anschwärzung

Substantiv

partial

libel

noun

Definitions of libel

English

something untrue that you publish about someone that might damage their reputation

The libel against my client arose purely out of the performance of her duties with the Fire Authority.

English

the act of damaging the reputation of a person or a group of people by publishing bad things about them that are not true (libel includes all permanent forms of defamation including published texts, emails and photographs)

The editor of Tempo magazine has been jailed for libel in a case that has raised fears about press freedom.