- 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"
- 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"
- 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"
- (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"
- (electronics) equipment failure attributable to some defect in a circuit (loose connection or insulation failure or short circuit etc.);
"it took much longer to find the fault than to fix it"
- responsibility for a bad situation or event;
"it was John's fault"
- (sports) a serve that is illegal (e.g., that lands outside the prescribed area);
"he served too many double faults"
