Crossword Genius

Don't eat quickly (4)

Ross

I believe the answer is:

fast

I believe this clue is a double definition.

'don't eat' is the first definition.
(fasting is not eating)

'quickly' is the second definition.
(I know that quickly can be written as fast)

(Other definitions for fast that I've seen before include "Tight; quick" , "Quick; firmly fixed" , "Avoid food; rapid" , "Rapid; firm" , "Starve; quick" .)

I've seen this clue in The Mirror, The Irish Independent and The Telegraph.
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