to say false things about a person, a person's character etc

verbal exhibition of bad temper

(of a person, statement etc) sly and spiteful

nasty, malicious

not honest

lying, untruthful

the feeling of annoyance or anger mixed with admiration when one wishes to have the same ability, achievement, luck etc as another person

jealousy

of, using, expressing, irony

sarcastic

envy

envy

containing a libel

derogatory

a statement that one knows is not true

untruth

(action, behaviour etc that causes) general shock, anger, opposition

public embarrassment

(an offence of making) a false statement that damages a person's reputation

scandalous remark

not complimentary

sarcastic