Crossword Genius

Improve (5)

Ross

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6 7 10 6*

'improve' is the definition.
(thesaurus)

This is the entire clue.

(Other definitions for boost that I've seen before include "Push up (eg morale, chances)" , "Uplift" , "Promote" , "Shot in the arm" , "Increase (strength or morale)" .)

I've seen this clue in The Independent, The Telegraph, The Guardian and the Evening Standard.
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