Fast death? (10)

I believe the answer is:

starvation

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This could be a double definition.

'fast' is the first definition.
(to fast is to starve oneself)

'death?' is the second definition.
The answer and definition can be both acts as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

Can you help me to learn more?

(Another definition for starvation that I've seen is " Desperate need".)

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

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