Words similar to hardening

Example sentences for: hardening

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

Its international commentator, Martin Woollacott, wrote that the indictment, combined with the commitment of more ground troops, a hardening of NATO's peace terms, and the intensification of the air campaign, represents "a new strategy."
The Los Angeles Times and USA Today lead with a court-ordered scientific panel's finding of no credible evidence that silicone breast implants cause disease, a story that also makes the New York Times front, but runs inside at the Washington Post . The WP goes with the House Judiciary Committee's ever-increasing hardening of partisan lines concerning impeachment.
Any serious policy examination of a suicide hijacking scenario, critiquing each of the layers of the security system, could have suggested changes to fix glaring vulnerabilities-expanding no-fly lists, searching passengers identified by the CAPPS screening system, deploying Federal Air Marshals domestically, hardening cockpit doors, alerting air crew to a different kind of hijacking than what they had been trained to expect, or adjusting the training of controllers and managers in the FAA and NORAD.
The papers continue to track the hardening of the U.N./NATO position regarding Yugoslavia.
While Pompeii was incinerated by volcanic cinders, a minimum of 20 m (65 ft) of ash and mud swamped Herculaneum, hardening and covering the houses in a protective crust that kept upper stories and even some of the woodwork intact.