slanderous

Scandalous; ignominious; disgraceful; shameful.

Containing slander or defamation; calumnious; defamatory: as, slanderous words, speeches, or reports.

Given to slander; uttering defamatory words or tales.

Given or disposed to slander; uttering slander.

Embodying or containing slander; calumnious.

Both untrue and harmful to a reputation.

(used of statements) harmful and often untrue; tending to discredit or malign