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Definition of weaken verb from the Oxford Advanced Learner's Dictionary

weaken

verb
 
/ˈwiːkən/
 
/ˈwiːkən/
Verb Forms
present simple I / you / we / they weaken
 
/ˈwiːkən/
 
/ˈwiːkən/
he / she / it weakens
 
/ˈwiːkənz/
 
/ˈwiːkənz/
past simple weakened
 
/ˈwiːkənd/
 
/ˈwiːkənd/
past participle weakened
 
/ˈwiːkənd/
 
/ˈwiːkənd/
-ing form weakening
 
/ˈwiːkənɪŋ/
 
/ˈwiːkənɪŋ/
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  1. [transitive, intransitive] weaken (somebody/something) to make somebody/something less strong or powerful; to become less strong or powerful
    • The team has been weakened by injury.
    • The new evidence weakens the case against her.
    • This new story has severely weakened the President’s position.
    • His authority is steadily weakening.
    Extra Examples
    • The British pound continued to weaken against the dollar.
    • The division of Germany had served to weaken the party.
    • The military was badly weakened by the sanctions.
    • The regime was fatally weakened by the unrest and violence.
    • a move designed to weaken the rebels
    • exchange rates that dramatically weakened the dollar
    Oxford Collocations Dictionaryadverb
    • considerably
    • greatly
    • seriously
    verb + weaken
    • begin to
    • start to
    • continue to
    See full entry
  2. [transitive, intransitive] weaken (something) to make something less physically strong; to become less physically strong
    • The explosion had weakened the building's foundations.
    • His health was weakened by overwork.
    • She felt her legs weaken.
    Extra Examples
    • The explosion had weakened the building's foundations considerably.
    • She felt her legs weaken further as she climbed higher up the slope.
    • He began to weaken as his opponent continued the onslaught.
    Topics Health problemsc1
    Oxford Collocations Dictionaryadverb
    • considerably
    • greatly
    • seriously
    verb + weaken
    • begin to
    • start to
    • continue to
    See full entry
  3. [intransitive, transitive] to become or make somebody become less determined or certain about something
    • You must not agree to do it. Don't weaken.
    • weaken something Nothing could weaken his resolve to continue.
    Extra Examples
    • The judgement serves to weaken public confidence in the courts.
    • She felt herself beginning to weaken in the face of his persuasion.
    Topics Doubt, guessing and certaintyc1
  4. [intransitive] (of a natural force) to become less strong
    • The storm eventually weakened.
  5. [intransitive, transitive] (of a country's currency or economy) to become less strong; to make a currency or economy less strong
    • weaken (against something) The dollar has weakened against the euro.
    • weaken something measures that could weaken the economy
    opposite strengthen
See weaken in the Oxford Advanced American DictionarySee weaken in the Oxford Learner's Dictionary of Academic English
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