Crossword Genius

Trouble coming up - single lad has an affair (7)

Ross

I believe the answer is:

liaison

'an affair' is the definition.
('liaison' can be a synonym of 'affair')

'trouble coming up single lad' is the wordplay.
'trouble' becomes 'ail' ('ail' can be a synonym of 'trouble').
'coming up' shows that the letters should be reversed in order.
'single' becomes 'i' (one).
'lad' becomes 'son'.
'ail' in reverse letter order is 'lia'.
'lia'+'i'+'son'='LIAISON'

'has' acts as a link.

(Other definitions for liaison that I've seen before include "An affair or mediation" , "Mediator" , "Collaboration" , "A contact or affair" , "Fling - intrigue" .)

I've seen this clue in The Telegraph.
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