名詞 delinquent:

1. a young offender
   同義詞：juvenile delinquent

形容詞 delinquent:

1. guilty of a minor misdeed
2. failing in what duty requires
   同義詞：derelict, neglectful, remiss
3. persistently bad
4. past due; not paid at the scheduled time
   同義詞：overdue

1. I'm afraid he'll ultimately become a juvenile delinquent.
   我恐怕他最終會(huì)成為一名青少年罪犯。
2. A delinquent account.
   一筆拖欠的款項(xiàng)
3. The debtor fell delinquent.
   債務(wù)人逾期不能償還債務(wù)。

de.lin.quent

adj.（形容詞）
Failing to do what law or duty requires.
失職的：未履行法律或職責(zé)所要求做到的
Overdue in payment:
拖欠的：逾期未付款的：
例句：
a delinquent account.
一筆拖欠的款項(xiàng)

n.（名詞）
A juvenile delinquent.
少年犯
A person who neglects or fails to do what law or duty requires.
罪犯，有過(guò)失者：未履行法律或職責(zé)所要求做到的人

來(lái)源：
Latin dôlinquôns dôlinquent- [present participle of] dôlinquere [to offend]
拉丁語(yǔ) dôlinquôns dôlinquent- [] dôlinquere的現(xiàn)在分詞 [冒犯]
dô- [de-]
dô- [前綴，表示.相反的.]
linquere [to leave, abandon] * see leik w-
linquere [離開，拋棄] *參見(jiàn) leik w-

【引伸】
delin.quently
adv.（副詞）