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valid

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adjective valid pronunciation in American 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 valid claim
      A 50% turnout was required for the vote to be valid.
  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.
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derived word

validity

 valid pronunciation in American English /vəˈlɪdəti/ noun [uncountable]
the validity of the claim

free-from

used to describe foods which don't contain ingredients such as wheat, dairy products etc …

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Open Dictionary

red market

the buying and selling of human organs

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