Crossword Genius

A girlfriend is blazing (6)

Ross

I believe the answer is:

aflame

I'm a little stuck... Click here to teach me more about this clue!

'blazing' is the definition.
(synonyms)

'a girlfriend' is the wordplay.
I cannot really see how this works, but
'a' is present in the answer.
The remaining letters 'flame' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'is' acts as a link.

Can you help me to learn more?

(Other definitions for aflame that I've seen before include "fired up?" , "Deeply aroused" , "Ablaze" , "Indicating excitement" , "Ardent" .)

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