Akademik

detractor
noun
one who disparages or belittles the worth of something (Freq. 1)
Syn: ↑disparager, ↑depreciator, ↑knocker
Derivationally related forms: ↑depreciate (for: ↑depreciator), ↑disparage (for: ↑disparager), ↑detract
Hypernyms: ↑cynic, ↑faultfinder
Hyponyms:
defamer, ↑maligner, ↑slanderer, ↑vilifier, ↑libeler, ↑backbiter, ↑traducer, ↑hatemonger, ↑muckraker, ↑mudslinger

Useful english dictionary. 2012.