English

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Etymology

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ill +‎ -ish

Adjective

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illish (comparative more illish, superlative most illish)

  1. (informal) Somewhat ill.
    • 1968, Lady Cynthia Asquith, Diaries 1915-1918
      Woke up feeling illish and to my despair found it was pouring with black, cold rain. It all looked depressing and dingy.