toughen

verb

tough·​en ˈtə-fən How to pronounce toughen (audio)
toughened; toughening ˈtə-fə-niŋ How to pronounce toughen (audio)
ˈtəf-niŋ
Synonyms of toughennext

intransitive verb

: to become tough

Examples of toughen in a Sentence

The government is toughening antidrug laws. weight lifting will help toughen those flabby muscles of yours
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On her feet were a pair of custom Conquillas by Christian Louboutin, referencing the memorable fall winter 2014 shoes with a spiked silhouette and heelless platform—toughened up, but still reminiscent of the super-arched shoes of the Barbie era. Anna Cafolla, Vogue, 7 Feb. 2026 His detractors, however, criticize the mayor for focusing on short-term housing for the homeless at the expense of long-term solutions, threatening to arrest homeless people, and supporting Proposition 36, which Newsom opposed, that toughened penalties against repeat drug and theft offenses. Julia Prodis Sulek, Mercury News, 1 Feb. 2026 This is a program that needs someone who will light a fire under the defense, that will toughen up the Trojans on that side of the ball. Mirjam Swanson, Oc Register, 29 Jan. 2026 The Cook County chief judge’s office has toughened protocols around its electronic monitoring program, making changes in the wake of high-profile incidents and as the office’s monitored population swells. Madeline Buckley, Chicago Tribune, 29 Jan. 2026 See All Example Sentences for toughen

Word History

First Known Use

1582, in the meaning defined at transitive sense

Time Traveler
The first known use of toughen was in 1582

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Cite this Entry

“Toughen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/toughen. Accessed 14 Feb. 2026.

Kids Definition

toughen

verb
tough·​en ˈtəf-ən How to pronounce toughen (audio)
toughened; toughening ˈtəf-(ə-)niŋ How to pronounce toughen (audio)
: to make or become tough

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