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English definition of “sick”

sick

adjective (ILL)   /sɪk/
physically or mentally ill; not well or healthy: We’ve got a sick cat. I feel sick. Only a sick mind could think of such things. He’s out sick (= absent because of illness). Samantha called in sick (= called to say she was ill and not coming to work).
(Definition of sick adjective (ILL) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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