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fault - definition and synonyms


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noun fault pronunciation in British English /fɔːlt/
Word Forms
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  1. 1
    [countable/uncountable] the fact of being responsible for a bad or unpleasant situation
    be someone’s fault: It’s my fault – I forgot to give him the message.
    be someone’s fault (that): It’s not my fault that we’re late.
    be someone’s own fault: If you didn’t get enough sleep, it’s your own fault.
    be all someone’s fault: We’ve missed the plane and it’s all your fault!
    be someone’s fault for doing something: It was partly the teacher’s fault for not explaining things clearly enough.
    through no fault of your own: He seems to have lost the job through no fault of his own.
    the fault lies with: If a child does not attend school, the fault lies with the parent.
  2. 2
    [countable] a feature of something that makes it less good
    The book’s main fault is that it is too long.
    for all something’s faults (=despite them): For all its faults, it is still the best small car on the market.
    Synonyms and related words
    1. a.
      a problem with a machine or piece of equipment that stops it from working correctly
      fault in: An engineer was called out to repair a fault in the alarm system.
      an electrical/mechanical/technical fault: The fire was caused by an electrical fault.
    2. b.
      a bad part of someones character
      She has her faults, but on the whole she’s very nice.
      for all someone’s faults (=despite them): For all his faults, he’s been a very good friend to me.
    3. c.
      a small mistake in a product that spoils its appearance slightly and makes it less than perfect
      Clothes with faults are sold off cheaply through market stalls.
      Synonyms and related words
  3. 4
    [countable] science a crack on or below the Earths surface
    a geological fault
    the San Andreas Fault


a meal served in the evening which consists of foods traditionally eaten at breakfast

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