The Collaborative International Dictionary of English v.0.48:
Fault-finding \Fault"-find`ing\, n.
The act of finding fault or blaming; -- used derogatively.
Also Adj.
[1913 Webster]
Moby Thesaurus II by Grady Ward, 1.0:
20 Moby Thesaurus words for "fault-finding":
captious, captiousness, carping, cavilling, censorious, censure,
contentious, critical, criticism, fussiness, fussy, hair-splitting,
hypercritical, hypercriticism, niggling, nit-picking, pettifogging,
picky, querulous, quibbling
Moby Thesaurus II by Grady Ward, 1.0:
130 Moby Thesaurus words for "faultfinding":
Jeremianic, adverse criticism, animadversion, aspersion,
bad notices, bad press, beef, beefing, bellyache, bellyaching,
bitch, bitching, captious, captiousness, carping, cavil, caviling,
censoriousness, complaining, complaint, complaintful, crabbing,
crabby, cranky, critical, criticism, croaking, cynical,
destructive criticism, disappointed, discontented, disgruntled,
displeased, dissatisfied, dissent, envious, exception, flak,
fretful, grievance, gripe, griping, groan, groaning, grouchy,
grouse, grousing, growling, grumbling, hairsplitting, hit, holler,
home thrust, hostile criticism, howl, howling, hypercritical,
hypercriticalness, hypercriticism, imputation, kick, kicking,
knock, lamentive, malcontent, malcontented, moanful, mournful,
murmuring, muttering, nagging, niggle, niggling, nit, nit-picking,
obloquy, out of humor, overcritical, overcriticalness, peeve,
peevish, peevishness, pestering, pet peeve, pettifogging,
petulance, petulant, plaintive, plangent, priggishness, protest,
puling, querulant, querulous, querulousness, quibble, quibbling,
rap, rebellious, reflection, reproachfulness, resentful, restive,
restless, scolding, slam, sniping, sorrowful, squawk, squawking,
stricture, sulky, swipe, taking exception, trichoschistic,
trichoschistism, ultracritical, ululant, unaccepting,
unaccommodating, uneasy, unfulfilled, ungratified, unhappy,
unsatisfied, wailful, whimpering, whining, whiny, yapping