怪童 かいどう noun (common) (futsuumeishi) Also 怪童: かいどう Kaidou 怪童かいどう Noun English JMdict 1 noun (common) (futsuumeishi) unusually large or strong youth 漢字 kanji used 怪 suspicious, mystery 8画 · JLPT N 1 童 juvenile, child 12画 · JLPT N 2