烟瘾 yānyǐn smoking addiction Origin Definitions Defs Strokes Stroke Words Sentences Sents 烟 煙 yān noun cigarette tobacco or tobacco products like cigarettes; (bound form) the tobacco plant瘾 癮 yǐn noun addiction An uncontrollable craving, habit, or dependence formed through long-term exposure to a substance or activity; a strong passion or interest.