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.
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 Because the muscles in this area are not overly exerted, their tendons don't toughen (which is why a tenderloin is so tender). Sheena Chihak, Better Homes & Gardens, 10 Apr. 2026 Scheffler started hot but cooled off as conditions toughened later in the day. Marley Malenfant, Austin American Statesman, 10 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

Browse Nearby Words

Cite this Entry

“Toughen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/toughen. Accessed 26 Apr. 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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