Girl beginning to panic with mum or dad not visible (10)

I believe the answer is:

unapparent

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'girl beginning to panic with mum or dad' is the definition.
I can't tell whether this definition defines the answer.

'not visible' is the wordplay.
'not' becomes 'un' (prefix meaning 'not').
'visible' becomes 'apparent' (similar in meaning).
'un'+'apparent'='UNAPPARENT'

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I've seen this clue in The Times.

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