Degradation of middle, now vulgar (3-6)

I believe the answer is:

low-minded

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'degradation of middle now vulgar' is the definition.
I can't judge whether this definition defines the answer.

'middle now vulgar' is the wordplay.
'vulgar' is an anagram indicator (vulgar can mean impure or inferior).
'middle'+'now'='middlenow'
'middlenow' with letters rearranged gives 'LOW-MINDED'.

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I've seen this clue in The Times.

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