Crossword Genius

Clear setter's implicit meaning (8)

Ross

I believe the answer is:

overtone

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'implicit meaning' is the definition.
'overtone' can be an answer for 'meaning' (overtone is a kind of meaning). I am unsure of the 'implicit' bit.

'clear setter's' is the wordplay.
'clear' becomes 'overt' (both can mean apparent or obvious).
'setter' becomes 'one' ('one' can humorously mean oneself).
'overt'+'one'='OVERTONE'

Can you help me to learn more?

(Other definitions for overtone that I've seen before include "hidden meaning" , "Nuance" , "part of harmonic series" , "Association" , "Subtle extra meaning" .)

I've seen this clue in The Guardian.
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