Crossword Genius

Furious to discover affair (8)

Ross

I believe the answer is:

seething

'furious' is the definition.
(I've seen this before)

'discover affair' is the wordplay.
'discover' becomes 'see' ('see' can be a synonym of 'discover').
'affair' becomes 'thing' ('thing' can be a synonym of 'affair').
'see'+'thing'='SEETHING'

'to' is the link.

(Other definitions for seething that I've seen before include "Bubbling, perhaps with rage" , "Observe object - bubbling with rage" , "making one very angry" , "Extremely angry" , "Having extreme and barely suppressed anger" .)

I've seen this clue in The Times.
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