strength·​en | \ ˈstreŋ(k)-thən How to pronounce strengthen (audio) , ˈstren(t)- \
strengthened; strengthening\ ˈstreŋ(k)th-​niŋ How to pronounce strengthen (audio) , ˈstren(t)th-​ ; ˈstreŋ(k)-​thə-​ , ˈstren(t)-​ \

Definition of strengthen

transitive verb

: to make stronger

intransitive verb

: to become stronger

Other Words from strengthen

strengthener \ ˈstreŋ(k)th-​nər How to pronounce strengthen (audio) , ˈstren(t)th-​ ; ˈstreŋ(k)-​thə-​ , ˈstren(t)-​ \ noun

Synonyms & Antonyms for strengthen



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Examples of strengthen in a Sentence

These exercises will strengthen your stomach muscles. He takes herbs to strengthen his immune system. The development of new electronic products has strengthened the company's position as the leader in digital technology. Holidays often serve to strengthen bonds between family members. Their financial situation strengthened her determination to find a new career. The team has been strengthened by the addition of several new players. The winds are expected to strengthen. The economy is slowly strengthening. The Canadian dollar is strengthening against the U.S. dollar. The trade restrictions will strengthen the pound. See More
Recent Examples on the Web Purslane and skullcap are antioxidants that calm and strengthen the skin. Angela Trakoshis, Allure, 3 Oct. 2022 High wind shear can weaken a hurricane, while weaker shear can help a hurricane to form and strengthen. Scott Dance And Kasha Patel, Anchorage Daily News, 30 Sep. 2022 The storm could strengthen slightly before landfall, the hurricane center said. Jon Kamp, WSJ, 29 Sep. 2022 The United States also will help the Pacific nations build and upgrade submarine cables to improve communications networks, and will strengthen regional health security to prevent future disease outbreaks. Ellen Nakashima, Washington Post, 28 Sep. 2022 The queen takes her at her word that the accusations are false, even though their being true would be in Alicent's best interest, considering that would strengthen her son's claim to the throne. Brendan Morrow, The Week, 11 Sep. 2022 In addition to its pressure on airlines to provide more transparency around passenger rights, the DOT has proposed new rules that would strengthen protections for airline passengers. CNN, 1 Sep. 2022 Waiting in the wings of the Capitol was Senate Bill 918, legislation that would strengthen restrictions for carrying a weapon in public that Gov. Gavin Newsom, Atty. Hannah Wiley, Los Angeles Times, 26 Aug. 2022 Once the target of scorn from fans and parents within the league, Warren now deserves at least partial credit for pulling off two big moves that further strengthen the league. Nathan Baird, cleveland, 20 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'strengthen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of strengthen

15th century, in the meaning defined at transitive sense

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Time Traveler for strengthen

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The first known use of strengthen was in the 15th century

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Dictionary Entries Near strengthen

strength deck


strengthening card

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Statistics for strengthen

Last Updated

5 Oct 2022

Cite this Entry

“Strengthen.” Dictionary, Merriam-Webster, Accessed 6 Oct. 2022.

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More Definitions for strengthen


strength·​en | \ ˈstreŋ-thən How to pronounce strengthen (audio) \
strengthened; strengthening

Kids Definition of strengthen

: to make, grow, or become stronger or more powerful Exercises will strengthen your muscles.

More from Merriam-Webster on strengthen

Nglish: Translation of strengthen for Spanish Speakers

Britannica English: Translation of strengthen for Arabic Speakers


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