Crossword Genius

Passed, albeit exhausted (5)

Ross

I believe the answer is:

spent

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'exhausted' is the definition.
('spent' can be similar in meaning to 'exhausted')

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for spent that I've seen before include "Used up; exhausted" , "Expended" , "Worn out, having laid out money" , "Burned-out" , "Exhausted, having paid money?" .)

I've seen this clue in the Evening Standard.
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