-d(ə)rəs adjective
Etymology: Middle English sclaundrous, from sclaundre slander + -ous
1. obsolete : being a source or occasion of scandal or disgrace
2. : containing or constituting slander : calumnious
a slanderous utterance
3. : given to or uttering slander
a slanderous tongue
• slan·der·ous·ly adverb
• slan·der·ous·ness noun -es