Very quiet perhaps (5)
I believe the answer is:
quite
'very' is the definition.
(I've seen this in another clue)
'quiet perhaps' is the wordplay.
'perhaps' indicates anagramming the letters.
'quiet' anagrammed gives 'QUITE'.
(Other definitions for quite that I've seen before include "Completely or entirely - be quiet" , "To a degree" , "Rather" , "Somewhat; fully" , "Completely -- to some extent" .)