Words similar to tougher

Example sentences for: tougher

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

NBC's David Bloom, recounting how McCain had been "brutally and repeatedly tortured," quoted a commander who said of McCain, "There was no tougher resister among POWs."
This would give RJR/Liggett a huge competitive edge over industry giant Philip Morris, which would presumably face tougher terms.
The other two leads, Russell Crowe and Guy Pearce, are even tougher to get a handle on, although both actors (both Australian, which you'd never guess) will be overnight stars.
The United States would try tougher sanctions in 2000.
What if Jane was tougher than this?