Not quite out of St Malo (6)
I believe the answer is:
almost
'not quite' is the definition.
(I've seen this in another clue)
'out of st malo' is the wordplay.
'out of' is an anagram indicator.
'st'+'malo'='stmalo'
'stmalo' is an anagram of 'ALMOST'.
(Other definitions for almost that I've seen before include "Not totally" , "Slightly short of" , "Not entirely" , "As good as" , "practically" .)