fault
noun
1 he has his faults, but he's a good man:
defect, failing, imperfection, flaw, blemish, shortcoming, weakness, weak point, weak spot, frailty, foible, vice, limitation, lack, deficiency, Achilles heel, chink in one's armor.
▷antonyms merit, strength.
2 engineers have still not located the fault:
defect, flaw, imperfection, snag;
error, mistake, inaccuracy, oversight, blunder, gaffe, slip;
Computing bug;
informal glitch, gremlin, slip-up, boo-boo, howler, foul-up;
British, informal cock-up, boob, clanger, snarl-up.
3 it was my fault for being late:
responsibility, liability, culpability, blameworthiness, guilt;
accountability, answerability;
informal rap.
4 don't blame one child for another's faults:
misdeed, wrongdoing, offense, misdemeanor, misconduct, sin, vice, lapse, indiscretion, peccadillo, transgression, trespass.
□ at fault□ find fault with□ to a fault
someone who enjoys finding fault with everything and putting people down:
fault, find lacking;
criticize, attack, censure, condemn, impugn, reproach, reprove, run down, take to task, haul over the coals;
complain about, quibble about, carp about, moan about, grouse about, grouch about, whine about, arraign;
Northern English mither, twine;
informal knock, slam, hammer, lay into, gripe about, beef about, bellyache about, bitch about, nitpick over, pick holes in, sound off about;
British, informal slag off, have a go at, whinge about, give some stick to, slate, rubbish.
verb
you couldn't fault any of the players:
find fault with, find lacking;
criticize, attack, censure, condemn, impugn, reproach, reprove, run down, take to task, haul over the coals;
complain about, quibble about, carp about, moan about, grouse about, grouch about, whine about, arraign;
informal knock, slam, hammer, lay into, gripe about, beef about, bellyache about, bitch about, nitpick over, pick holes in, sound off about;
British, informal slag off, have a go at, whinge about, give some stick to, slate, rubbish.