(sports) a serve that is illegal (e.g., that lands outside the prescribed area); "he served too many double faults"
responsibility for a bad situation or event; "it was John's fault"
(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"
(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"
feeling or expressing regret or sorrow or a sense of loss over something done or undone; "felt regretful over his vanished youth"; "regretful over mistakes she had made"; "he felt bad about breaking the vase"
carry out or perform an action; "John did the painting, the weeding, and he cleaned out the gutters"; "the skater executed a triple pirouette"; "she did a little dance"
give a performance (of something); "Horowitz is performing at Carnegie Hall tonight"; "We performed a popular Gilbert and Sullivan opera"
perform a function; "Who will perform the wedding?"
state insincerely; "He professed innocence but later admitted his guilt"; "She pretended not to have known the suicide bomber"; "She pretends to be an expert on wine"
confess one's faith in, or allegiance to; "The terrorists professed allegiance to the Muslim faith"; "he professes to be a Communist"
practice as a profession, teach, or claim to be knowledgeable about; "She professes organic chemistry"
take vows, as in religious order; "she professed herself as a nun"
receive into a religious order or congregation
state freely; "The teacher professed that he was not generous when it came to giving good grades"
being the agent or cause; "determined who was the responsible party"; "termites were responsible for the damage"
worthy of or requiring responsibility or trust; or held accountable; "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament"