Twist picked up the broom when subjected to blows (9)
I believe the answer is:
windswept
'subjected to blows' is the definition.
I can't judge whether this definition defines the answer.
'twist picked up the broom when' is the wordplay.
'twist' becomes 'wind' (synonyms).
'picked up' says the letters should be written in reverse.
'the' becomes 't' (the is pronounced as a 't' sound in some dialects).
'broom when' becomes 'pews' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
't'+'pews'='tpews'
'tpews' written backwards gives 'swept'.
'wind'+'swept'='WINDSWEPT'
Can you help me to learn more?
(Other definitions for windswept that I've seen before include "Affected by moving air" , "beaten by the weather" , "suffering a blow" , "having dishevelled look" , "affected by gale" .)