Sharpen - Crossword Clue, Answer and Explanation

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

This is all the clue.

(Other definitions for edge that I've seen before include "Sharpness of mind" , "Brim" , "Bite" , "Move carefully; limit" , "Intense quality; limit" .)

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

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

This is all the clue.

(Other definitions for hone that I've seen before include "Sharpen tool on stone" , "Strop" , "Smooth stone" , "Sharpen (a blade)" , "Polish" .)

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

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

This is the entire clue.

(Other definitions for strop that I've seen before include "Prime cutthroat" , "Leather strap used to sharpen razors" , "rage" , "Fit of bad temper" , "Piece of leather on which razor is sharpened" .)

I've seen this clue in the USA Today, the Penny Press, the Newsday, the King Feature Syndicate and the Evening Standard.

Sharpen (4)