Crossword Genius

Finished, stranded (6,2)

Ross

I believe the answer is:

washed up

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This clue might be a double definition.

'finished' is the first definition.
(thesaurus)

'stranded' is the second definition.
Although both the answer and definition are past participle verbs, I cannot see how one could define the other.

Can you help me to learn more?

(Other definitions for washed up that I've seen before include "No longer successful (colloq.)" , "Done for - cleaned dishes" , "Gone to seed - did the dishes" , "exhausted" , "Thrown on shore; did dishes" .)

I've seen this clue in the Evening Standard.
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