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.
The tender side of Strout is her hopefulness—and that may be toughening up. Literary Hub, 7 May 2026 The Hawks didn’t just force the Knicks to toughen up. Kristian Winfield, New York Daily News, 2 May 2026 In the nineties, hip-hop was toughening up the sound of American popular music; Jackson, fey and theatrical, seemed increasingly distant from the cultural mainstream. Kelefa Sanneh, New Yorker, 20 Apr. 2026 Silver chrome and chain-link details toughen up an otherwise serene, jade green set. Ariel Wodarcyk, InStyle, 12 Apr. 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 17 May. 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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