aspersion
noun
Definition:
a remark that disparages, maligns, or slanders another
Synonyms:
abuse
libel
slander
Antonyms:
flattery
compliment
praise
Contrary to popular belief, some forms of aspersion, such as libel and slander, are not protected by the Constitution.
Upon her arrival, the woman immediately threw aspersions at her host by telling her, "I wish I could be as laid back about clutter as you seem to be."
Office Gossip