malign

Short definition from Wiktionary

Adjective

1. 1
   Evil or malignant in disposition, nature, intent or influence.
2. 2
   Malevolent.
3. 3
   Malignant.

Verb

1. 1
   To make defamatory statements about; to slander or traduce.
2. 2
   To treat with malice; to show hatred toward; to abuse; to wrong.