All 3 Uses of

derelict

in

Ulysses, by James Joyce

On more than one occasion, a dozen at the lowest, near the North Bull at Dollymount he had remarked a superannuated old salt, evidently derelict, seated habitually near the not particularly redolent sea on the wall, staring quite obliviously at it and it at him, dreaming of fresh woods and pastures new as someone somewhere sings.†
Chpt 16 *

The unexpected discovery of an object of great monetary value (precious stone, valuable adhesive or impressed postage stamps (7 schilling, mauve, imperforate, Hamburg, 1866: 4 pence, rose, blue paper, perforate, Great Britain, 1855: 1 franc, stone, official, rouletted, diagonal surcharge, Luxemburg, 1878), antique dynastical ring, unique relic) in unusual repositories or by unusual means: from the air (dropped by an eagle in flight), by fire (amid the carbonised remains of an incendiated edifice), in the sea (amid flotsam, jetsam, lagan and derelict), on earth (in the gizzard of a comestible fowl).†
Chpt 17

Gardner going to south Africa where those Boers killed him with their war and fever but they were well beaten all the same as if it brought its bad luck with it like an opal or pearl still it must have been pure 18 carrot gold because it was very heavy but what could you get in a place like that the sandfrog shower from Africa and that derelict ship that came up to the harbour Marie the Marie whatyoucallit no he hadnt a moustache that was Gardner yes I can see his face cleanshaven Frseeeeeeeeeeeeeeeeeeeefrong that train again weeping tone once in the dear deaead days beyondre call close my eyes breath my lips forward kiss sad look eyes open piano ere oer the world the mists began I hat†
Chpt 18

Definitions:

(1) (derelict as in: derelict in her duty)
failing to fulfill one's responsibilities -- especially through lack of effort
(2) (derelict as in: derelict ship)
in terrible condition and/or abandoned