Webster's Revised Unabridged Dictionary · 1913

Delinquent

Delinquent , adjective

[Latin delinquens, -entis, present participle of delinquere to fail, be wanting in one's duty, do wrong; de- + linquere to leave. See Loan, n.]

Failing in duty; offending by neglect of duty.

Delinquent , noun

One who fails or neglects to perform his duty; an offender or transgressor; one who commits a fault or a crime; a culprit.
A delinquent ought to be cited in the place or jurisdiction where the delinquency was committed. — Ayliffe