Crossword Genius

Laboured (6)

Ross

I believe the answer is:

toiled

'laboured' is the definition.
('toil' can be a synonym of 'labour')

This is all the clue.

(Other definitions for toiled that I've seen before include "Worked incessantly" , "Struggled long and hard" , "Worked long and hard" , "Worked or laboured very hard" , "Worked laboriously and long" .)

I've seen this clue in The Irish Times, the Evening Standard, The Times and the Sydney Morning Herald.
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