derelict(redirected from derelictly)
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1. falling into ruins; neglected; dilapidated
2. a person abandoned or neglected by society; a social outcast or vagrant
3. property deserted or abandoned by an owner, occupant, etc.
4. Nautical a vessel abandoned at sea
Land or buildings that have been deserted or abandoned, or damaged by serious neglect or other processes, which in their existing state are unsightly and incapable of use without restoration or renovation or other treatment.
Any property abandoned at sea, often of sufficient size as to constitute a menace to navigation; especially an abandoned vessel.