Being impish can bring a bit of fun to life, maybe (5)
I believe the answer is:
elfin
'being impish' is the definition.
(I've seen this before)
'fun to life maybe' is the wordplay.
'fun' becomes 'n' (I can't explain this - if you can you should believe this answer much more).
'to' is a charade indicator (letters next to each other) (I've seen this in other clues).
'maybe' is an anagram indicator.
'life' anagrammed gives 'elfi'.
'n' put after 'elfi' is 'ELFIN'.
'can bring a bit of' is the link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for elfin that I've seen before include "Sprightly" , "Small, delicate and mischievous-looking" , "Small; impish" , "Petite and charming" , "Mischievous sprite" .)