Shape Mobius put forward (9)
I believe the answer is:
bumptious
'forward' is the definition.
(similar in meaning)
'shape mobius put' is the wordplay.
'shape' indicates anagramming the letters.
'mobius'+'put'='mobiusput'
'mobiusput' is an anagram of 'BUMPTIOUS'.
(Other definitions for bumptious that I've seen before include "self-important" , "Offensively self-assertive" , "Irritatingly self-assertive" , "pushy?" .)