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strengthen

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verb strengthen pronunciation in American English /ˈstreŋθən/
Word Forms
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present tense
I/you/we/theystrengthen
he/she/itstrengthens
present participlestrengthening
past tensestrengthened
past participlestrengthened
  1. 1
    [transitive] to make your body physically stronger or more healthy
    Aerobic exercise strengthens the heart.
    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
    The secretary will discuss strengthening the U.N. force.
    programs aimed at strengthening local economies
    1. a.
      to make a law or punishment stronger
      Congress debated strengthening the Clean Air Act.
  5. 5
    [transitive] to give support to a position or argument
    The new evidence strengthens Wilkins’ case.
  6. 6
    [intransitive/transitive] to increase the value of the money of a country
    The appointment of a new premier in Italy helped strengthen the lira.
    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.
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