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.
Senegal 's parliament has approved a new bill that toughens punishment for homosexuality in the largely Muslim West African nation, the latest African country to impose harsh penalties against the LGBTQ+ community. ABC News, 12 Mar. 2026 Iran’s president toughens tone Pezeshkian said Iran’s military response would only strengthen. Dallas Morning News, 8 Mar. 2026 Iran’s president toughens tone In video comments Sunday, Pezeshkian said Iran’s military response would only strengthen. Jon Gambrell, Fortune, 8 Mar. 2026 Running statewide, Bianco’s priorities include toughening public safety laws and addressing homelessness through law enforcement involvement. David Mark, The Washington Examiner, 27 Feb. 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 15 Mar. 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

More from Merriam-Webster on toughen

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster