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are toughening

  • present progressive
    of toughen.
    toughen
    verb (used with or without object)
    to make or become tough or tougher.

Example Sentences

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See Examples For:

Several nations are toughening up age restrictions on social media platforms as concerns grow over excessive screen time for children and their exposure to harmful content online.

From Barron's ● Mar. 11, 2026

Other countries, including Germany, are toughening their policies, amid negotiations within the bloc to overhaul asylum rules and reduce arrivals.

From Reuters ● Nov. 7, 2023

But some are toughening rules, requiring a passport or additional documentation.

From Reuters ● Oct. 15, 2018

Cities across the U.S. are toughening the rules of engagement in the war on homelessness.

From Time Magazine Archive