ill adjective Meaning in the Cambridge Learner’s Dictionary
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Meaning of “ill” - Learner’s Dictionary

ill

adjective
 
 
/ɪl/
NOT HEALTHY A2 not feeling well, or suffering from a disease: critically/seriously ill Her mother was too ill to travel. Mark had been feeling ill for a couple of days.Not fit and healthyThin or slender (of people)
BAD [always before noun] formal bad: ill health He suffered no ill effects from his fall. →  See also ill at ease Serious and unpleasantNot attractive to look atInformal words for bad
(Definition of ill adjective from the Cambridge Learner’s Dictionary © Cambridge University Press)
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