strength·​en | \ ˈstreŋ(k)-thən How to pronounce strengthen (audio) , ˈstren(t)- \
strengthened; strengthening\ ˈstreŋ(k)th-​niŋ How to pronounce strengthening (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 strengthener (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 The economic plan will strengthen collective bargaining rights and raise the corporate tax cuts instituted by Congress under President Trump from 21% to 28% to fund investments. Nicole Goodkind, Fortune, "Everything we just learned about how Joe Biden would run the economy," 9 July 2020 By working to strengthen his lower half, driving more with his hips, what was once a violent, unconstrained delivery has eased up. Jon Blau, The Indianapolis Star, "IU baseball recruit hits mid 90s with fastball, so pros are watching," 2 July 2020 The majority-Democrat House approved a measure to strengthen Obamacare on Monday in a 234-179 vote, a move by the party to signal its healthcare priorities ahead of the presidential election. Cassidy Morrison, Washington Examiner, "House Democrats pass bill to strengthen Obamacare," 29 June 2020 Plus, the rowing motion can strengthen and tone your arms, too. Gabrielle Hondorp, Travel + Leisure, "The 8 Best Stand-up Paddleboards for Summertime Adventures," 26 June 2020 Summer school means something special for hundreds of bilingual Ontario students, many with family ties to Mexico: the chance to learn about Mexico’s culture and heritage to strengthen their sense of identity. Nik Streng, oregonlive, "Summer school at home means loss of cultural opportunity for Ontario students," 22 June 2020 And now, despite the ongoing coronavirus outbreak, township officials are working to strengthen their economic center for years to come. Jarrad Saffren, USA TODAY, "Mount Holly continues to improve High Street business district," 20 June 2020 Ortega though admitted Maduro has been able to use the pandemic to strengthen his rule. Stefano Pozzebon, CNN, "Venezuela's Maduro tightens grip on power, helped by coronavirus lockdown," 19 June 2020 Amid the reports of violence, some states have taken steps to strengthen hate crime laws. Wenei Philimon, USA TODAY, "Black Americans report hate crimes, violence in wake of George Floyd protests and Black Lives Matter gains," 8 July 2020

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

24 Jul 2020

Cite this Entry

“Strengthen.” Dictionary, Merriam-Webster, Accessed 3 Aug. 2020.

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More Definitions for strengthen


How to pronounce strengthen (audio)

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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