► 動詞
ぐれる [(2)ぐれる] [coll] meaning: delinquent rank: 3
☆ 彼の息子はぐれている ⇨ His son has become juvenile delinquent (☛ Young person to be delinquent)
► 名詞
非行 [ひこう] meaning: delinquent rank: 3
☆ 不安定な家庭の子供達はより非行に走りやすい ⇨ The children from unstable families are more likely to be delinquent
☆ 非行少年 ⇨ Delinquent youth
不良 [ふりょう] meaning: delinquent rank: 3
☆ 彼は昔は不良だった ⇨ He used to be a young delinquent, criminal
ヤンキー [やんきー] [coll] [peer] meaning: delinquent rank: 4
☆ コンビニにヤンキーが屯している ⇨ (☛ Originally referred to young delinquents right after WW2, who tried to emulate American youth (thus Yankee), but today they are uniquely Japanese delinquents who have zero American associations )