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

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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.
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Recent Examples on the Web Recent cyberattacks that compromised numerous U.S. government agencies and many private organizations have given the Biden Administration bipartisan support to strengthen U.S. cyber defenses and reduce supply chain risk. Andy Purdy, Forbes, "How New Policies Could Strengthen U.S. Cyber Defense," 7 May 2021 The announcement comes at a critical moment as the country begins to emerge from the COVID-19 pandemic and looks to strengthen its economy and re-establish itself as a leader on the global stage. Manish Bapna, Fortune, "Why the new, bolder U.S. climate goal will boost the economy," 4 May 2021 Godfrey said the state should strengthen and enforce gambling laws instead of expanding legal gambling. Mike Cason |, al, "Alabama gambling legislation advances; vote could come Thursday," 4 May 2021 Others would address the threats of extreme weather by allocating more money to reduce wildfire risks, strengthen water infrastructure and upgrade the electric grid. Tal Kopan, San Francisco Chronicle, "Bay Area Democrats want to pass climate change laws. Can they deliver?," 3 May 2021 Ten Massachusetts vocational schools were awarded $2.1 million in grant funding Thursday as part of the state’s Career Technical Initiative, a program that aims to strengthen and add workforce training programs for students and adults., "More than $2 million awarded to 10 Mass. vocational schools for additional training programs," 29 Apr. 2021 Under Biden, the Labor Department has moved to strengthen workplace guidance for the virus and sought to increase enforcement action against employers who retaliate after workers complain about unsafe conditions. Washington Post, "Biden administration faces heat from Democrats over delay issuing workplace safety standard," 28 Apr. 2021 Each also helps strengthen core muscles and increase endurance, according to the release., "Elgin News Digest: New playground at Lords Park will gather user feedback; work starts on new South Elgin Boys & Girls Club clubhouse; support event for mental health boards planned," 28 Apr. 2021 Having a fair opportunity for employment helps individuals and families strengthen their financial health and give back to their communities. CNN, "Nearly 70 million Americans have criminal records. We must give them a second chance," 27 Apr. 2021

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.

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First Known Use of strengthen

15th century, in the meaning defined at transitive sense

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Time Traveler for strengthen

Time Traveler

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

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Statistics for strengthen

Last Updated

14 May 2021

Cite this Entry

“Strengthen.” Dictionary, Merriam-Webster, Accessed 15 May. 2021.

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More Definitions for strengthen



English Language Learners Definition of strengthen

: to make (someone or something) stronger, more forceful, more effective, etc.
: to become stronger, more forceful, more effective, etc.
of money : to increase in value when compared to money from other countries


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.

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