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English definition of “ail”

ail

verb [I or T] (BE/MAKE ILL)    /eɪl/ old-fashioned
to be ill, or to cause to be ill: She had been ailing for years before she died.Being and falling ill
(Definition of ail verb (BE/MAKE ILL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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