'disparager' definitions:

Definition of 'disparager'

From: WordNet
noun
One who disparages or belittles the worth of something [syn: detractor, disparager, depreciator, knocker]

Definition of 'disparager'

From: GCIDE
  • disparager \dis*par"a*ger\, n. One who disparages or dishonors; one who vilifies or disgraces. [1913 Webster]

Synonyms of 'disparager'

From: Moby Thesaurus