disparager

Từ điển WordNet v3.1 - WordNet Dictionary

noun

one who disparages or belittles the worth of something
• Syn:
detractor, depreciator, knocker
• Derivationally related forms:
depreciate (for: depreciator), disparage, detract (for: detractor)
• Hypernyms:
cynic, faultfinder
• Hyponyms:
defamer, maligner, slanderer, vilifier, libeler,
backbiter, traducer, hatemonger, muckraker, mudslinger