上瘾 shàngyǐn HSK7 to become addicted Origin Definitions Defs Strokes Stroke Words Sentences Sents 上 shàng particleverb to apply to put on; to paint; to fix or install; to screw or wind up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.