Crossword Genius

Man, perhaps, is secure (6)

Ross

I believe the answer is:

island

'man perhaps' is the definition.
(man is a kind of island)

'is secure' is the wordplay.
'secure' becomes 'land' (I've seen this in other clues).
'is'+'land'='ISLAND'

(Other definitions for island that I've seen before include "'Treasure - - ' by R L Stevenson" , "Sumatra, say" , "Eg, eyot or inch" , "Eg, Anglesey, Sheppey" , "Ireland, Jersey or Iceland, say" .)

I've seen this clue in The Telegraph.
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