Lets loose (9)
'lets loose' is the definition.
('unleash' can be a synonym of 'let loose')
This is all the clue.
(Other definitions for unleashes that I've seen before include "Sets free as dog from restraining strap" , "Releases from a restraint" .)
'lets loose' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for frees that I've seen before include "Liberates" , "Delivers" , "Releases from confinement" .)