Did you know?

Click any word in a definition or example to find the entry for that word

strengthen - definition and synonyms


What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

verb strengthen pronunciation in British English /ˈstreŋθ(ə)n/
Word Forms
present tense
present participlestrengthening
past tensestrengthened
past participlestrengthened
  • Facebook
  • Twitter
  1. 1
    [transitive] to make your body physically stronger or more healthy
    1. a.
      [intransitive] to become physically stronger

      Doctors say his injured shoulder will take time to strengthen.

  2. 2
    [transitive] to make something stronger so that it will take more weight or force without breaking

    The bridge will need to be strengthened.

  3. 5
    [transitive] to give support to a position or argument

    The new evidence strengthens Wilkins’ case.

  4. 6
    [intransitive/transitive] to increase the value of the money of a country

    The dollar continues to strengthen against the yen.

  5. 7
    [intransitive] if the wind or a current strengthens, it becomes faster or more powerful

    The gale continued to strengthen throughout the night.



to fall over forwards so that your face hits the ground or another surface

BuzzWord Article

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play