#1 fault n. [mistake, error] a wrong action attributable to bad judgment or ignorance or inattention; "he made a bad mistake"; "she was quick to point out my errors"; "I could understand his English in spite of his grammatical faults". wn
#2 fault n. [defect, flaw] an imperfection in an object or machine; "a flaw caused the crystal to shatter"; "if there are any defects you should send it back to the manufacturer". wn
#3 fault v. [blame] put or pin the blame on. wn
#4 fault n. [demerit] the quality of being inadequate or falling short of perfection; "they discussed the merits and demerits of her novel"; "he knew his own faults much better than she did". wn
#5 fault n. [faulting, geological fault, shift, fracture, break] (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other; "they built it right over a geological fault"; "he studied the faulting of the earth's crust". wn
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