He refuses to eat more quickly (6)

I believe the answer is:

faster

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'more quickly' is the definition.
(synonyms)

I don't understand the rest of the clue.

(Other definitions for faster that I've seen before include "Quicker" , "A person who refuses to eat" , "More rapid" , "Person going hungry" , "One unlikely to eat" .)

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

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