Rough male sheep reportedly sported (11)

I believe the answer is:

weatherworn

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'rough' is the definition.
Both the answer and definition are adjectives.
Perhaps they are linked in a way I don't understand?

'male sheep reportedly sported' is the wordplay.
'male sheep' becomes 'wether' (I've seen this before).
'reportedly' indicates a 'sounds like' (homophone) clue.
'sported' becomes 'worn' (I've seen this in another clue).
'wether' is a homophone of 'weather'.
'weather'+'worn'='WEATHERWORN'

Can you help me to learn more?

I've seen this clue in The Times.

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