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valid

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adjective valid pronunciation in British English /ˈvælɪd/
  1. 1
    a valid document or ticket will be accepted by officials

    You will need a valid passport.

    valid for:

    This offer is valid for travel before the end of April.

    1. a.
      legally accepted

      A 50% turnout was required for the vote to be valid.

      a valid claim

  2. 2
    reasonable and generally accepted

    If the underlying assumption isn't valid, then the prosecution's case simply falls apart.

    a valid reason/excuse:

    These are valid reasons why we should ban tobacco advertising.

    a valid point/argument/criticism:

    Some of the criticisms were perfectly valid.

    Synonyms and related words for this sense of valid

derived word

validity

 valid pronunciation in British English /vəˈlɪdəti/  noun [uncountable]

the validity of the claim

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