Words similar to hardened

Example sentences for: hardened

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

The TSA should require that every passenger aircraft carrying cargo must deploy at least one hardened container to carry any suspect cargo.
It is actually 95% tin, hardened with a 5% alloy of antimony and copper.
Even the most hardened aid workers refuse to operate in many regions, and some warn that Afghanistan is near the brink of chaos.
Before the injection they're quite friendly--these are lab animals, remember, not hardened street rats.
In a draft letter (released at a congressional hearing yesterday) to House Judiciary Committee Chairman Henry Hyde, R-Ill., FBI Director Louis Freeh wrote that the clemency would "return committed, experienced, sophisticated and hardened terrorists to the clandestine movement" for Puerto Rican independence.