strength·en | \ˈstreŋ(k)-thən, ˈstren(t)-\
strengthened; strengthening\ˈstreŋ(k)th-niŋ, 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, ˈstren(t)th-; ˈstreŋ(k)-thə-, ˈstren(t)- \ noun

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

Since its founding in 1951, Israel Bonds has provided more than $41 billion in global sales to help strengthen every aspect of Israel's economy. Sergio Carmona, Jewish Journal, "Local Israel Bonds investors attend reception featuring Warren Buffett," 13 July 2018 That strengthens the arguments of those pushing for boldness. The Economist, "Fork in the roadShould the party move to the left or to the centre?," 12 July 2018 That means the local travel market is strengthening, with increasing demand from people who live in Charlotte. Ely Portillo, charlotteobserver, "Charlotte’s airport manages ‘tricky balance’ between low-cost hub and fancy new gates," 12 July 2018 With a friend, toss the ball back and forth for, say, 15 seconds, which even will help to strengthen eye-hand coordination, Schwartz said. Mike Candelaria,, "Got 5 minutes? You have time to exercise," 11 July 2018 Do internal and external shoulder rotations with light weights to help strengthen your shoulders. Trihealth,, "Don’t shoulder the pain," 10 July 2018 The sixth-year pro is expected to help further strengthen an already impressive defensive front, which limited teams to 83.6 rushing yards per game and 15.8 points per game. Mike Jones, USA TODAY, "Vikings training camp questions: Is Kirk Cousins last piece in Super Bowl puzzle?," 2 July 2018 Cornerstone investors in Hong Kong are included to help strengthen demand for offerings, among other purposes. Stella Yifan Xie, WSJ, "Xiaomi Prices Hong Kong IPO at Bottom of Target Range," 29 June 2018 Although his actions have helped strengthen the labor market, the strong positive momentum already was deeply entrenched for years before his election, experts say. Jim Puzzanghera,, "Trump claims credit for the strong labor market. Experts say he also should thank Obama," 26 June 2018

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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Last Updated

13 Oct 2018

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Time Traveler for strengthen

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

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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 \
strengthened; strengthening

Kids Definition of strengthen

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

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