One who disparages or belittles the worth of something.

synonyms: depreciator, disparager, knocker.

Roget 936: detractor, reprover; censor, censurer; cynic, critic, caviler, carper, word-catcher, frondeur; barracker^†.    defamer, backbiter, slanderer, Sir Benjamin Backbite, lampooner, satirist, traducer, libeler, calumniator, dawplucker^†, Thersites^†; Zoilus; good-natured friend [Iron.]; reviler, vituperator, castigator; shrew etc. 901; muckraker.    disapprover, laudator temporis acti [Lat.] [Horace]. ... show more

Roget 934: detraction, disparagement, depreciation, vilification, obloquy, scurrility, scandal, defamation, aspersion, traducement, slander, calumny, obtrectation^†, evil-speaking, backbiting, scandalum magnatum [Lat.].    personality, libel, lampoon, skit, pasquinade; chronique scandaleuse [Fr.]; roorback [U.S.].    sarcasm, cynicism; criticism (disapprobation) 932; invective etc. 932; envenomed tongue; spretae injuria formae [Lat.].    personality, libel, lampoon, skit, pasquinade; chronique scandaleuse [Fr.]; roorback [U.S.].    detractor etc. 936.    ... show more

Dutch: lasteraar