Definitions from Wiktionary (ILL)

▸ adjective:  (obsolete) Evil; wicked (of people).
▸ adjective:  (archaic) Morally reprehensible (of behaviour etc.); blameworthy.
▸ adjective:  Indicative of unkind or malevolent intentions; harsh, cruel.
▸ adjective:  Unpropitious, unkind, faulty, not up to reasonable standard.
▸ adjective:  Unwell in terms of health or physical condition; sick.
▸ adjective:  Having an urge to vomit.
▸ adjective:  (slang, chiefly hip-hop) Sublime, with the connotation of being so in a singularly creative way.
▸ adjective:  (slang) Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
▸ adjective:  (dated) Unwise; not a good idea.
▸ adjective:  (Appalachia) Bad-tempered.
▸ adverb:  Not well; imperfectly, badly
▸ noun:  (often pluralized) Trouble; distress; misfortune; adversity.
▸ noun:  Harm or injury.
▸ noun:  Evil; moral wrongfulness.
▸ noun:  A physical ailment; an illness.
▸ noun:  (US, slang, uncountable) PCP, phencyclidine.
▸ verb:  (intransitive, slang, dated) To behave aggressively.
▸ noun:  Initialism of interlibrary loan. [(library science) A loan of an item (such as a book, article, or sound recording) between two library systems or similar institutions.]
▸ Also see ill

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