Enduring a considerable noise inside (7)
I believe the answer is:
abiding
'enduring' is the definition.
(synonyms)
'a considerable noise inside' is the wordplay.
'considerable' becomes 'big'.
'noise' becomes 'din' (din is a kind of noise).
'inside' is an insertion indicator.
'big' placed around 'din' is 'biding'.
'a'+'biding'='ABIDING'
(Other definitions for abiding that I've seen before include "Remaining or residing" , "bearing" , "standing" , "Persisting" , "Putting up with: long-lasting" .)