Being physically or psychologically dependent on something.(adjective)
Simple past tense and past participle of addict.(verb)
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Use "addicted" in a sentence
"KING: Were you encouraged, Robert Redford, by the president using the term addicted to oil in the State of the Union?"
"Retelling the evolution of humans and 'reward' brain chemistry and addiction (or habituation), combined with peer status, to posit the moral of the story: Being overconsumption-addicted is a death grip -- our own."
"The problem with Lindsay Lonely and a lot of celebrities who are addicted is that they get coddled."