[ˈdɛrɪlɪkt], (Adjective)

Definitions:
- in a very poor condition as a result of disuse and neglect
(e.g: a derelict Georgian mansion)

- shamefully negligent of one's duties or obligations
(e.g: he was derelict in his duty to his country)


Phrases:

Origin:
mid 17th century: from Latin derelictus ‘abandoned’, past participle of derelinquere, from de- ‘completely’ + relinquere ‘forsake’

[ˈdɛrɪlɪkt], (Noun)

Definitions:
- a destitute person without a home or work who is rejected or outcast by society
(e.g: derelicts who could fit all their possessions in a paper bag)


Phrases:

Origin:
mid 17th century: from Latin derelictus ‘abandoned’, past participle of derelinquere, from de- ‘completely’ + relinquere ‘forsake’