denigration

Nouns

(n) a belittling comment belittling,
(n) an abusive attack on a person's character or good name aspersion, calumny, defamation, slander,
(n) the act of expressing disapproval (especially of yourself) deprecation,

Synonyms

belittling aspersion calumny defamation slander deprecation

Words of close approximity

denigrating denigrative