Sharpen - Crossword Clue, Answer and Explanation

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

This is the entire 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 New York Times, the Evening Standard, The Mirror, The Star Tribune, the King Feature Syndicate, The Independent, The Telegraph, The Guardian, The Wall Street Journal, the Universal, The Times, The Sun, the USA Today, the LA Times and the Penny Press.

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

This is the entire 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 New York Times, the Evening Standard, The Mirror, The Star Tribune, the King Feature Syndicate, The Independent, The Telegraph, The Guardian, The Wall Street Journal, the Universal, The Times, The Sun, the USA Today, the LA Times and the Penny Press.

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

This is all the 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 Evening Standard, the King Feature Syndicate, the Newsday, the USA Today and the Penny Press.

Sharpen (4)