Synonyms of slanderous

2 Syllables
nocent
3 Syllables
obloquious, injurious, malicious, invidious, scurrilous, opprobrious, reproachful, scandalous, maligning
4 Syllables
detractory, disparaging, abusive
5 Syllables
unconducive, derogatory, defamatory, calumniatory
6 Syllables
vituperative, vituperatory