"Calumniatory" is a word in ENGLISH

calumniatory ENGLISH
Definition:

Containing calumny; slanderous.

Few words of positivity

Hell yeah! Twitter was proof that leaderless self-organizing systems could be true agents of change.

Biz Stone, Things a Little Bird Told Me: Confessions of the Creative Mind

WORD SUGGESTIONS
Laugh your heart out.

Mum: From now on your going to have free school dinners.Son:But, Mum, I don't want three school dinners, one is more than enough !

calumnious ENGLISH

Containing or implying calumny; false, malicious, and injurious to reputation; slanderous; as, calumnious reports.

Read the complete definition
defamatory ENGLISH

Containing defamation; injurious to reputation; calumnious; slanderous; as, defamatory words; defamatory writings.

Read the complete definition
slanderous ENGLISH

Embodying or containing slander; calumnious; as, slanderous words, speeches, or reports.

Read the complete definition