成瘾 chéngyǐn addiction Origin Definitions Defs Strokes Stroke Words Sentences Sents 吸毒成瘾 xīdúchéngyǐn drug addiction 成瘾性 chéngyǐnxìng addictiveness 网络成瘾 wǎngluòchéngyǐn internet addiction The compulsive or excessive use of the internet, often leading to negative impacts on daily life.