(geology) line determined by the intersection of a geological fault and the earth's surface | a wrong action attributable to bad judgment or ignorance or inattention |
| (sports) a serve that is illegal (e.g., that lands outside the prescribed area) |
| the quality of being inadequate or falling short of perfection |
| responsibility for a bad situation or event |
| (electronics) equipment failure attributable to some defect in a circuit (loose connection or insulation failure or short circuit etc.) |
| (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other |
| an imperfection in an object or machine |