じゅうだい 10代 Common word Wanikani level 3 LinksSentence search for 10代Sentence search for じゅうだいSentence search for 十代Kanji details for 代Edit in JMdict Noun1. the teens (10-19); teenageNoun2. the tenth generationSee also 代Other forms十代 【じゅうだい】 Discussions Log in to talk about this word.