A part of song opposed (6)

I believe the answer is:

averse

'opposed' is the definition.
(synonyms)

'a part of song' is the wordplay.
'part of song' becomes 'verse' (I've seen this before).
'a'+'verse'='AVERSE'

(Other definitions for averse that I've seen before include "Indisposed" , "Not keen" , "Unwilling or disinclined, perhaps to hard work" , "Not in favour of" , "'Opposed, disinclined (6)'" .)

I've seen this clue in The Times.

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