Synonyms and related words :
belittler, captious critic, carper, caviler, censor, censurer, common scold, critic, criticizer, equivocator, faultfinder, frondeur, hairsplitter, hedger, momus, mystificator, mystifier, obscurantist, palterer, perfectionist, pettifogger, picayune critic, precisian, precisianist, prevaricator, pussyfoot, pussyfooter, quibbler, scold, shuffler, smellfungus, stickler, tergiversator