Flexible English isle up to support shopping complex (9)
I believe the answer is:
malleable
'flexible' is the definition.
(thesaurus)
'english isle up to support shopping complex' is the wordplay.
'english isle' becomes 'e' (I can't explain this - if you can you should give a lot more credence to this answer).
'up to' becomes 'able' (I've seen this in another clue).
'support' means one lot of letters go next to another (in a down clue, some letters hold others up).
'shopping complex' becomes 'mall' (I've seen this in another clue).
'e'+'able'='eable'
'eable' put after 'mall' is 'MALLEABLE'.
Can you help me to learn more?
(Other definitions for malleable that I've seen before include "Able to be hammered" , "Compliant" , "Able to be shaped" , "Easily influenced" , "Tractable" .)