verb strength·en \ˈstreŋ(k)-thən, ˈstren(t)-\

: 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·enedstrength·en·ing \ˈstreŋ(k)th-niŋ, ˈstren(t)th-; ˈstreŋ(k)-thə-, ˈstren(t)-\

Full Definition of STRENGTHEN

transitive verb
:  to make stronger
intransitive verb
:  to become stronger
strength·en·er \ˈstreŋ(k)th-nər, ˈstren(t)th-; ˈstreŋ(k)-thə-, ˈstren(t)-\ noun

Examples of STRENGTHEN

  1. These exercises will strengthen your stomach muscles.
  2. He takes herbs to strengthen his immune system.
  3. The development of new electronic products has strengthened the company's position as the leader in digital technology.
  4. Holidays often serve to strengthen bonds between family members.
  5. Their financial situation strengthened her determination to find a new career.
  6. The team has been strengthened by the addition of several new players.
  7. The winds are expected to strengthen.
  8. The economy is slowly strengthening.
  9. The Canadian dollar is strengthening against the U.S. dollar.
  10. The trade restrictions will strengthen the pound.

First Known Use of STRENGTHEN

15th century
STRENGTHEN Defined for Kids


verb strength·en \ˈstreŋ-thən\

Definition of STRENGTHEN for Kids

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


Next Word in the Dictionary: strengthening cardPrevious Word in the Dictionary: strength deckAll Words Near: strengthen
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears