adverse criticism, animadversion, aspersion, bad notices, bad press, captiousness, carping, cat flea, cavil, caviling, censoriousness, chigoe, cockroach, crab, criticism, dog flea, exception, faultfinding, flak, flea, grayback, hairsplitting, hit, home thrust, hostile criticism, hypercriticalness, hypercriticism, imputation, jigger, knock, louse, mite, nagging, nay, niggle, niggling, nit-picking, nix, no, nope, obloquy, overcriticalness, parasite, pestering, pettifogging, priggishness, quibble, quibbling, rap, red bug, reflection, reproachfulness, roach, sand flea, slam, stricture, swipe, taking exception, trichoschistism, vermin, weevil