The Oxford Thesaurus An A-Z Dictionary of Synonyms INTRO ...

one of his faults. 2 mistake, error, blunder, lapse, failure,
offence, oversight, slip(-up), indiscretion, gaffe, gaucherie,
faux pas, Slang boner, howler, goof, boo-boo, Brit boob: People
should be responsible for their faults. There are many faults in
this manuscript. 3 responsibility, liability, culpability;
blame, accountability, answerability: It wasn't my fault that
the tree fell down. The fault lies with you, James. 4 sin,
transgression, trespass, misdeed, offence, misdemeanour, vice,
indiscretion, misconduct, misbehaviour: He will confess his
faults to anyone who will listen. 5 at fault. to blame,
blameable, blameworthy, in the wrong, responsible, answerable,
accountable, liable, culpable, guilty: You were at fault for
failing to report the crime. 6 find fault. criticize, censure,
take exception (to), carp (at), cavil (at), pick at, pick on,
pick apart, pick holes in, niggle, fuss, Colloq nit-pick, knock:
She constantly finds fault with everything I do. 7 to a fault.
excessively, extremely, to an extreme, in the extreme,
unreasonably, exceedingly, unduly, disproportionately,
immoderately, irrationally, US overly: She is modest to a
fault.
--v. 8 find fault with, censure, blame, criticize, call to
account, impugn, call into question, hold (someone) responsible
or accountable or to blame, lay at (someone's) door, accuse:
You cannot be faulted for not knowing the fuel tank was empty.
fault-finding
n. 1 criticism, censure, carping, cavilling, captiousness,
hypercriticism, quibbling, fussiness, hair-splitting,
pettifogging, Colloq nit-picking, pickiness: Why continue to
put up with the foreman's fault-finding?
--adj. 2 critical, censorious, carping, cavilling, captious,
hypercritical, fussy, hair-splitting, pettifogging, niggling,
contentious, querulous, quibbling, Colloq nit-picking, picky:
She could no longer abide his fault-finding attitude.
faultless adj. perfect, flawless, immaculate, ideal, exemplary, correct,
accurate, foolproof, irreproachable, unimpeachable, Colloq Brit
bang on, spot on: Their performance was faultless.
faulty adj. defective, unsound, imperfect, flawed, impaired, out of
order, malfunctioning, broken, bad; damaged; Slang on the blink,