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.
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 Unnerved by his son’s reverence, Big Ant keeps his distance from the boy and subtly pressures him to toughen up and abandon his artistic pursuits. Vikram Murthi, IndieWire, 29 Jan. 2026 It was originally envisioned as something that could help collegiate men (aka eggheads) toughen up and prepare for fighting the wars of empire. Cynthia Littleton, Variety, 28 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 4 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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