Not being impartial, won't be bored (10)
I believe the answer is:
interested
'bored' is the definition.
Both the definition and answer are adjectives. Maybe there's a link between them I don't understand?
'not being impartial won't' is the wordplay.
I cannot quite understand how this works, but
'not' could be 'nt' (synonyms) and 'nt' is found in the answer.
'being' could be 'ted' (Ted is an example) and 'ted' is found within the answer.
This may be the basis of the clue (or it may be nonsense).
'be' acts as a link.
Can you help me to learn more?
(Other definitions for interested that I've seen before include "Concerned" , "Showing curiosity" , "Fascinated" , "Wanting to know" , "Partisan" .)