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English definition of “ill”

ill

adjective [before noun] (BAD)    /ɪl/ formal or old-fashioned
C1 bad: ill health Did you experience any ill effects from the treatment?Not of good qualityRubbish and wasteInformal words for bad
(Definition of ill adjective (BAD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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