1. 誰かまたは何か他のものに依存している、コントロールされている状態(the state of relying on or being controlled by someone or something else)
2. 心理的、肉体的に習慣性のあるものに対する依存症(特にアルコールや麻薬など)(being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs))
c.1794, Jane Austen, “[Lady Susan.] XXIX. Lady Susan Venon to Mrs. Johnson.”, in J[ames] E[dward] Austen[-]Leigh, A Memoir of Jane Austen: […] to which is Added Lady Susan and Fragments of Two Other Unfinished Tales by Miss Austen, 2nd edition, London: Richard Bentley and Son,[…], published 1871, →OCLC, page 273: