Grouse about n'er-do-wells (6)

I believe the answer is:

rogues

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'n'er-do-wells' is the definition.
I can't tell whether this definition defines the answer.

'grouse about' is the wordplay.
'about' indicates anagramming the letters.
'grouse' anagrammed gives 'ROGUES'.

Can you help me to learn more?

(Other definitions for rogues that I've seen before include "'Dishonest, unscrupulous persons (6)'" , "'Scoundrels, charlatans (6)'" , "Rascals" , "Scoundrels, miscreants" , "Wild animals driven away from the herd" .)

I've seen this clue in The Globe and Mail.

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