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English definition of “fault”

fault

noun uk   /fɒlt/ us    /fɑːlt/

fault noun (MISTAKE)

B1 [U] a mistake, especially something for which you are to blame: It's not my fault she didn't come! She believes it was the doctor's fault that Peter died. The fault was/lay with the organizers, who failed to make the necessary arrangements for dealing with so many people. Through no fault of his own, he spent a week locked up in jail. B2 [C] a weakness in a person's character: He has many faults, but dishonesty isn't one of them. B2 [C] a broken part or weakness in a machine or system: The car has a serious design fault. I think it's got an electrical fault. For all its faults, our transport system is still better than that in many other countries. [C] (in tennis and some other games) a mistake made by a player who is beginning a game by hitting the ball be at fault B2 to have done something wrong: Her doctor was at fault for/in not sending her straight to a specialist. find fault with sb/sth C2 to criticize someone or something, especially without good reasons: He's always finding fault with my work.

fault noun (CRACK)

[C] specialized geology a crack in the Earth's surface where the rock has divided into two parts that move against each other: Surveyors say the fault line is capable of generating a major earthquake once in a hundred years.

fault

verb uk   /fɒlt/ us    /fɑːlt/

fault verb (CRITICIZE)

[T] to find a reason to criticize someone or something: I can't fault the way they dealt with the complaint. I can't fault you on your logic.

fault verb (SPORTS)

[I] to hit a fault in tennis and other similar games: That's the fourth serve he's faulted on today.
(Definition of fault from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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