Break free eventually and look amazed? (4)
I believe the answer is:
gape
'look amazed?' is the definition.
(to gape is to stare open-mouthed in amazement)
'break free eventually' is the wordplay.
'break' becomes 'gap' (a gap is a break in something).
'eventually' indicates one should take the final letters.
The final letter of 'free' is 'e'.
'gap'+'e'='GAPE'
'and' acts as a link.
(Other definitions for gape that I've seen before include "Stare with open mouth in wonder" , "Failure to meet" , "Stare stupidly" , "Gawp" , "Stare at page" .)