adjective

1. deserted by the owner; abandoned; forsaken
2. ☆ neglectful of duty; remiss; negligent

Etymology: L derelictus, pp. of derelinquere, to forsake utterly, abandon < de-, intens. + relinquere: see relinquish

noun

1. a property abandoned by the owner; esp., an abandoned ship on the open sea
2. a destitute person, without a home or regular job and rejected by society
3. land exposed by the receding of water