discoloration of metal surface caused by oxidation
make dirty or spotty, as by exposure to air; also used metaphorically; "The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"
an antisocial misdeed in violation of the law by a minor
a tendency to be negligent and uncaring; "he inherited his delinquency from his father"; "his derelictions were not really intended as crimes"; "his adolescent protest consisted of willful neglect of all his responsibilities"
(of a clause) unable to stand alone syntactically as a complete sentence; "a subordinate (or dependent) clause functions as a noun or adjective or adverb within a sentence"