adj. 1. Failing to do what law or duty requires. 2. Overdue in payment: a delinquent account. n. 1. A juvenile delinquent. 2. A person who neglects or fails to do what law or duty requires. [Latin dēlinquēns, dēlinquent-, present participle of dēlinquere, to offend : dē-, de- + linquere, to leave, abandon; see leikw- in the Appendix of Indo-European roots.] de·linquent·ly adv. |
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