defamatory (adj.)

• abusive
• belittling
• bitchy
• calumniatory
• calumnious
• catty
• censorious
• contemptuous
• contumelious
• deprecatory
• depreciative
• depreciatory
• derisive
• derisory
• derogative
• derogatory
• disparaging
• libelous
• pejorative
• scandalous
• scurrilous
• slanderous
• slighting