Released (3,4)
There are a few possibilities for this:
set free
(Other definitions for relet that I've seen before include "offer accommodation again?" , "have another tenant" , "hire out again" , "Lease the property again" , "Grant tenancy again" .)
'released' is the definition.
('free' can be a synonym of 'release')
This is the entire clue.
(Other definitions for freed that I've seen before include "Emancipated, let loose" , "Untied" , "Released" , "Defer being liberated" .)
'released' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for set free that I've seen before include "Clear" , "Uncaged birds have been" , "Release, remove restraints" , "Released" , "no longer confined" .)