Definition & Meaning of "fault"

an imperfection, defect, or flaw in an object or machine that prevents it from functioning properly or effectively

the quality of being inadequate or falling short of perfection

an unsuccessful serve attempt in tennis, where the ball doesn't land in the opponent's service box, resulting in the loss of a point

the responsibility attributed to someone or something for a mistake or misfortune

(electronics) equipment failure attributable to some defect in a circuit (loose connection or insulation failure or short circuit etc.)

a fracture or zone of fractures between two blocks of rock, along which there has been significant displacement due to tectonic forces