Idiom: Do IllCheck definitions of...doillMeaningsHow to pronounce "do ill":AU Your browser does not support the audio element. To harm, to injure.A-Z Proximitiesdo by halvesdo cartwheelsdo downdo drugsdo exactly what it says on the tin do ill do it toughdo justicedo me a favourdo me a lemondo one's businessSimilar Idiomsbe taken illdo illhouse of ill fameill healthlie ill in one's mouthtake illSimilar Phraseshouse of ill reputeill at easeill fameill healthill humorill serviceill turnill humourill luckill natureill temperlouping illmentally ill