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ill - definition and synonyms


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noun formal     ill pronunciation in British English
Word Forms
  1. 1
    [countable] [usually plural] a problem or difficulty

    A change of government is regarded as the cure for all the nation’s ills.

  2. 2
    [uncountable] old-fashioned harm

    I knew of no one who would wish him ill.

Open Dictionary


a rise in the level of a stream or river

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