[ad.dict] vt [L addictus, pp. of addicere to favor, fr. ad- + dicere to say--more at diction] (1534) 1: to devote or surrender (oneself) to something habitually or obsessively "~ed to gambling"
2: to cause addiction to a substance in
[2]ad.dict n (1909) 1: one who is addicted to a substance
2: devotee "a detective novel ~"