Crossword Genius

Working or departing (5)

Ross

I believe the answer is:

going

I believe this is a double definition.

'working' is the first definition.
(working can mean going or activated)

'departing' is the second definition.
('go' can be a synonym of 'depart')

'or' acts as a link.

(Other definitions for going that I've seen before include "Due to leave" , "Progress" , "Departure; current (rate)" , "Surface condition (that may get tough!)" , "fading" .)

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