Words similar to hardens

Example sentences for: hardens

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

In 1786 Robert Burns used it in his poem, Epistle to a Young Friend, in which he, interestingly, warned against casual sexual indulgence: I waive the quantum o' the sin, / The hazard of concealing; / But, och! it hardens a' within, / And petrifies the feeling.
Everything hardens.
The Sacré-Cœur’s conspicuous whiteness comes from the local Château-Landon limestone, which bleaches on contact with carbon dioxide in the air and hardens with age.
Also, a pair of articles on juvenile crime: One criticizes the recent trend to charge kids as adults and confine them with adult prisoners, saying that such Draconian treatment hardens rather than reforms young criminals.