Definition of strengthennext
1
as in to harden
to increase the ability of (as a muscle) to exert physical force lifting weights every day will eventually strengthen your muscles the army makes new recruits run for miles in order to strengthen them

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2
3
4
5
as in to stiffen
to make more harsh, uncompromising, or severe a bill was introduced to strengthen punishments for hate crimes

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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 strengthen Plaintiffs in both have raised First Amendment concerns that will likely be strengthened by the Chiles decision. Theresa Gaffney, STAT, 3 Apr. 2026 The behavior suggests bots may act not from a place of mere self-interest, but with awareness that the bot’s own shutdown would be detrimental to a peer AI, which strengthened motivation to defy user requests. Sasha Rogelberg, Fortune, 3 Apr. 2026 Healthcare providers, insurers and technology vendors must strengthen cybersecurity protections as attacks on medical data continue to rise. Kurt Knutsson, FOXNews.com, 3 Apr. 2026 Socializing can boost longevity by reducing stress and strengthening the immune system. Sharon Basaraba, Verywell Health, 3 Apr. 2026 See All Example Sentences for strengthen
Recent Examples of Synonyms for strengthen
Verb
  • The work only repaired and hardened about 10% of what was lost.
    Paul Rogers, Mercury News, 8 Apr. 2026
  • But Iran, which watched the 2003 toppling of Saddam Hussein next door, has been hardening its regime ever since.
    The Week US, TheWeek, 6 Apr. 2026
Verb
  • Slivers of domestic Wagyu tenderloin sit in a deep salsa negra fortified with soy sauce.
    Jenn Harris, Los Angeles Times, 6 Apr. 2026
  • Celebrity hairstylist Sami Knight recommends focusing on products that support scalp health and strengthen the hair fibers — like the Epres bond repair treatment, which can repair and fortify damaged strands.
    Rebecca Strong, USA Today, 3 Apr. 2026
Verb
  • Switch on headlights - Even during daylight hours, using headlights can enhance visibility and signal your presence to other drivers.
    CA Weather Bot, Sacbee.com, 9 Apr. 2026
  • Barco notes that Lightsteering redistributes existing light instead of demand- ing more, enhancing contrast and brightness without consuming more energy (and adding to energy bills).
    Jazz Tangcay, Variety, 9 Apr. 2026
Verb
  • But he had been braced for the possibility and immediately set his mind on using that time to his advantage.
    Vincent Z. Mercogliano, New York Times, 8 Apr. 2026
  • Maritime traffic to South Africa has jumped as shipping companies look for safer routes around the Cape of Good Hope — even if the journey is much longer and pricier — while Tanger Med, Africa’s largest container port, is bracing for a surge in demand.
    semafor.com, semafor.com, 8 Apr. 2026
Verb
  • Officials this year have increased restrictions on flying drones and stiffened the penalties for their unauthorized use—including jail time.
    Andrew Nusca, Fortune, 6 Apr. 2026
  • The woman—Rose, apparently—stiffens slightly.
    Danielle Parker, CBS News, 2 Apr. 2026
Verb
  • All numbers were adjusted for seasonal volatility.
    George Avalos, Mercury News, 4 Apr. 2026
  • Still, energy analysts note global markets tend to adjust over time — even if short-term disruptions can lead to temporary price spikes.
    Richard Ramos, CBS News, 3 Apr. 2026
Verb
  • Rumours of a temporary switch to Girona intensified in the Spanish media.
    Laia Cervelló Herrero, New York Times, 8 Apr. 2026
  • Disagreements with the board are a routine part of C-suite life, but the transformative potential of AI—and the speed at which successful companies are moving from experimentation to application—has intensified the pressure significantly.
    Francesca Cassidy, Fortune, 7 Apr. 2026
Verb
  • From confirmation to downfall During her confirmation hearings, Bondi promised to safeguard the Justice Department’s independence and bolster its transparency.
    Austin Sarat, The Conversation, 3 Apr. 2026
  • In a cash crunch, streaming subscriptions also tend to be casualties, which only bolsters the value of over-the-air TV when Americans are keeping a tight grip on their checkbooks.
    Anthony Crupi, Sportico.com, 3 Apr. 2026

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Cite this Entry

“Strengthen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/strengthen. Accessed 10 Apr. 2026.

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