Those who manage to escape break this (5)
I believe the answer is:
loose
'this' is the definition.
Both the answer and definition are adverbs.
Maybe you can see an association between them that I don't see?
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for loose that I've seen before include "Slack or immoral" , "Not tightly fixed" , "Not tight" , "Unrestricted" , "Release" .)