Cure broken meter mixed with crazy idea (9)

I believe the answer is:

remediate

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'cure broken' is the definition.
I can't judge whether this definition defines the answer.

'meter mixed with crazy idea' is the wordplay.
'mixed' indicates an anagram.
'with' means one lot of letters goes inside another.
'crazy' indicates an anagram.
'meter' with letters rearranged gives 'remte'.
'idea' with letters rearranged gives 'edia'.
'remte' enclosing 'edia' is 'REMEDIATE'.

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I've seen this clue in the Sydney Morning Herald.

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