List of niggle synonyms and niggle related words.
adverse criticism, animadversion, aspersion, bad notices, bad press, bitch, bug, captiousness, carp, carp at, carping, cavil, caviling, censoriousness, complain, criticism, criticize, exception, faultfinding, find fault, flak, fret at, fuss, fuss at, grouse, hairsplitting, hassle, henpeck, hit, home thrust, hostile criticism, hypercriticalness, hypercriticism, imputation, knock, kvetch, nag, nagging, nibble at, niggling, nit, nit-picking, obloquy, overcriticalness, peck at, pester, pestering, pettifogging, pick at, pick on, priggishness, quibble, quibbling, rap, reflection, reproachfulness, slam, stricture, swipe, taking exception, trichoschistism, yap at