Words similar to toughen

Example sentences for: toughen

How can you use “toughen” in a sentence? Here are some example sentences to help you improve your vocabulary:

Since modernism, Keatsians have felt a need to toughen his textures.
Perhaps now, boards of directors will toughen up: If you get fired, they'll tell their top executives, you get two weeks' pay, or whatever else it is that we give to ordinary workers who get fired.
The WP picks up on the story, pointedly noting that the espionage was previously reported by the Wall Street Journal and the Washington Post . The WP , goes on to cite actions the administration has taken to toughen security and White House denials that Clinton sought to minimize the Chinese espionage.