Strive (3)
'strive' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for vie that I've seen before include "Eagerly compete" , "Compete (with others)" , "Rival" , "I've got to contend" , "Contend for superiority" .)
'strive' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for struggle that I've seen before include "Make strenuous efforts to overcome" , "Hard contest" , "Grapple, contend" , "Strive, contend" , "Tussle" .)
'strive' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for endeavour that I've seen before include "Try to achieve something" , "Industrious effort" , "Strive - over a nude (anag)" , "Try - Captain Cook's vessel" , "The first handle inspector has" .)
(Another definition for do all one can that I've seen is " Try one's hardest".)