Crossword Genius

Adult in Neath might be Greek (8)

Ross

I believe the answer is:

athenian

'greek' is the definition.
(I know that Athenian is a type of greek)

'adult in neath might be' is the wordplay.
'adult' becomes 'a' (abbreviation).
'might be' indicates an anagram.
'in'+'neath'='inneath'
'inneath' anagrammed gives 'thenian'.
'a'+'thenian'='ATHENIAN'

(Other definitions for athenian that I've seen before include "City dweller" , "One from the Greek capital" , "Is the Greek in AA then?" , "Native of Grecian capital" , "Citizen of Greece's capital" .)

I've seen this clue in The Sun.
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