Crossword Genius

Setter say, initially waffling, remains nonsense (7)

Ross

I believe the answer is:

eyewash

'nonsense' is the definition.
(thesaurus)

'setter say initially waffling remains' is the wordplay.
'setter' becomes 'i' (the person that set the crossword).
'say' indicates a 'sounds like' (homophone) clue.
'initially' says to take the initial letters.
'remains' becomes 'ash' (I've seen this before).
The first letter of 'waffling' is 'w'.
'i' is a homophone of 'eye'.
'eye'+'w'+'ash'='EYEWASH'

(Other definitions for eyewash that I've seen before include "Optic solution to relieve irritation - rubbish!" , "Visual cleansing agent - nonsense" , "Fiddlesticks" , "Insincere talk or optical lotion" , "Nonsense; cleansing lotion" .)

I've seen this clue in The Telegraph.
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