Definition of toughennext
1
as in to strengthen
to increase the ability of (as a muscle) to exert physical force weight lifting will help toughen those flabby muscles of yours

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2
3
as in to stiffen
to make more harsh, uncompromising, or severe attempts to toughen conditions under which waivers from military service would be permitted

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Example Sentences

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.
Recent Examples of toughen The order directs his administration to toughen air pollution evaluations, add noise restrictions and expand city bureaucrats’ authority to review water and electricity usage at data center facilities. Jake Sheridan, Chicago Tribune, 17 Aug. 2026 But after Martínez-Olguín set the trial for March 2 — instead of November as Paramount had asked — the company grew antsy and toughened its legal tactics. Meg James, Los Angeles Times, 17 Aug. 2026 Advertisement So, as now, many men followed the adage that when the going gets tough, the tough, well… toughen up. Michael Kimmel, Time, 15 Aug. 2026 Officials have also toughened their stance on capital leaving the country. Anniek Bao, CNBC, 15 Aug. 2026 See All Example Sentences for toughen
Recent Examples of Synonyms for toughen
Verb
  • While Liang’s ties with the government have strengthened, his tech bets appear to be a convergence with Beijing’s priorities rather than state-directed, Wang noted.
    Anniek Bao,Elaine Yu, CNBC, 28 Aug. 2026
  • When applied to the scalp, certain peptides can send signals that promote follicle function, extend the growth phase of the hair cycle, and strengthen the tissue surrounding the follicle.
    Christa Joanna Lee, Allure, 28 Aug. 2026
Verb
  • This is to help chocolate layer not stick to sides when later hardened.
    ABC News, ABC News, 29 Aug. 2026
  • Gray’s challenge in such circumstances is to ensure that Blackstone’s pro-AI convictions don’t harden into a consensus his firm will regret if conditions change.
    Andrew Edgecliffe-Johnson, semafor.com, 28 Aug. 2026
Verb
  • Offering a 35% incentive aimed at stiffening up jobs here and enticing post-production to relocate to the Golden State, AB 2319 is racing toward a vote in the state Senate by next week once the bill is in final shape.
    Dominic Patten, Deadline, 20 Aug. 2026
  • Softening rather than stiffening when moving through space requires embracing your body’s natural sway and tiny micro-movements, like an ankle wobbling or knee jiggling.
    Deborah Vankin, Los Angeles Times, 18 Aug. 2026

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Cite this Entry

“Toughen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toughen. Accessed 2 Sep. 2026.

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