Crossword Genius

Being indomitable, I deserve any break (5-3-3)

Ross

I believe the answer is:

never-say-die

'being indomitable' is the definition.
('never-say-die' can be a synonym of 'indomitable')

'i deserve any break' is the wordplay.
'break' indicates an anagram.
'i'+'deserve'+'any'='ideserveany'
'ideserveany' with letters rearranged gives 'NEVER-SAY-DIE'.

(Other definitions for never-say-die that I've seen before include "Refuse to give up" , "Persevere!" , "Don't give up" .)

I've seen this clue in The Telegraph.
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