Crossword Genius

Bad language from son? Exhausting (8)

Ross

I believe the answer is:

swearing

'bad language' is the definition.
(thesaurus)

'son? exhausting' is the wordplay.
'son?' becomes 's'.
'exhausting' becomes 'wearing' ('wearing' can be a synonym of 'exhausting').
's'+'wearing'='SWEARING'

'from' is the link.

(Other definitions for swearing that I've seen before include "Using bad language" , "blue emissions?" , "Vowing" , "Expressing annoyance" , "Affirming or cursing" .)

I've seen this clue in The Telegraph.
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