I. noun
one given to harsh or captious judgment
chronic critics of the administration
Synonyms: aristarch, carper, caviler, criticizer, faultfinder, knocker, momus, smellfungus, Zoilus
Related Word: Monday morning quarterback; nitpicker, quibbler; belittler, disparager; complainer; censurer; muckraker, mudslinger
Contrasted words: backer, supporter; partisan; advocate, champion, protagonist
II. adjective
Synonyms: critical 1, captious, carping, caviling, cavillous, censorious, faultfinding, hypercritical, overcritical