Crossword Genius

Sharpen (4)


There are a few possibilities for this:

'sharpen' is the definition.
(I know that whet is a more specific form of the action sharpen)

This is all the clue.

(Other definitions for whet that I've seen before include "Sharpen the blade of (a tool/weapon)" , "Make more acute" , "Sharpen by rubbing" , "Sharpen - stimulate" , "Edge" .)

I've seen this clue in The Mirror, The Independent, the King Feature Syndicate, The Wall Street Journal, the Evening Standard, the LA Times, The Sun, the Penny Press, The Guardian, The New York Times, The Star Tribune, the USA Today and the Universal.
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