Only a minority have noisy ways (3)

I believe the answer is:

few

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

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for few that I've seen before include "Only one or two" , "Indefinite small amount" , "Not many, just a handful" , "Relatively small number" , "Considerable number, ironically" .)

I've seen this clue in the Evening Standard.

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