[ verb ] make sharp or sharper
"We had to sharpen our arguments"
Used in print(Tom F. Driver, "Beckett by the Madeleine,"...)
My curiosity was sharpened a day or two before the interview by a conversation I had with a well-informed teacher of literature , a Jesuit father , at a conference on religious drama near Paris .
[ verb ] become sharp or sharper
"The debate sharpened"
Used in print(T. C. McClary, "The Flooded Desert," Argosy,...)
Her chin sharpened .
[ verb ] put into focus; as of an image on a screen
"Please focus the image we cannot enjoy the movie"
Used in print(J. H. Hexter, "Thomas More: On the Margins...)
Perhaps one way to sharpen our sense of the modernity of Utopian communism is to contrast it with the principal earlier types of communistic theory .