Very angry extremists wearing jewellery (7)

I believe the answer is:

blazing

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'very angry' is the definition.
I can't tell whether this definition defines the answer.

'extremists wearing jewellery' is the wordplay.
'extremists' becomes 'az' (I've seen this in other clues).
'wearing' is an insertion indicator.
'jewellery' becomes 'bling' (informal term for jewellery).
'az' inserted within 'bling' is 'BLAZING'.

Can you help me to learn more?

(Other definitions for blazing that I've seen before include "Aflame" , "Burning fiercely" , "On fire" , "Flaming" .)

I've seen this clue in The Guardian.

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