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

    Aerobic exercise strengthens the heart.

    Synonyms and related words for this sense of strengthen
    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. 3
    [transitive] to make a feeling, decision, relationship etc stronger or more powerful

    Her objections only strengthened my resolve to open my own business.

    1. a.
      [intransitive] to become stronger or more powerful

      a sense of community that has strengthened over time

  4. 4
    [transitive] to make an organization, business, army etc more powerful, successful, or effective

    Senior officials will discuss strengthening the UN force.

    programmes aimed at strengthening local economies

    1. a.
      to make a law or punishment stronger

      The amendment will strengthen the bill.

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

    The new evidence strengthens Wilkins' case.

    Synonyms and related words for this sense of strengthen
  6. 6
    [intransitive/transitive] to increase the value of the money of a country

    The dollar continues to strengthen against the yen.

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

    The gale continued to strengthen throughout the night.

    Synonyms and related words for this sense of strengthen
    Synonyms and related words for this sense of strengthen


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