derelict

Synonyms: behindhand delinquent disregardful irresponsible lax regardless remiss slack undependable unreliable untrustworthy

Antonyms: careful caring

Synonyms: abandoned castoff desolate dilapidated dingy discarded faded lorn neglected ownerless relinquished ruined run-down seedy shabby solitary threadbare uncouth

Antonyms: improved populated

Synonyms: beggar bum castaway dawdler drifter floater grifter hobo ne’er-do-well outcast renegade skidrow bum stiff stumblebum tramp vagabond vagrant