a. Deserted by an owner or keeper; abandoned: derelict railroad tracks.
b. Run-down; dilapidated: derelict buildings.
2. Neglectful of duty or obligation; remiss. See Synonyms at negligent.
1. A homeless or jobless person; a vagrant.
a. Abandoned property, especially a ship abandoned at sea.
b. Land left dry by a permanent recession of the water line.
[Latin dērelictus, past participle of dērelinquere, to abandon : dē-, de- + relinquere, to leave behind; see RELINQUISH.]
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