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          \ ˈku̇-dᵊnt How to pronounce couldn't (audio) ,  -dᵊn,  dialectal also  ˈku̇-tᵊn(t) or  ˈku̇nt \
           
          Definition of couldn't
           
          : could not
            
          First Known Use of couldn't
           
          1646, in the meaning defined above
           
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          The first known use of couldn't was                                 in 1646
           
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          Cite this Entry 
          “Couldn't.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/couldn%27t. Accessed 7 Jul. 2020.
           
           
           
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          couldn't
           
          \ ˈku̇-dᵊnt How to pronounce couldn't (audio) \
           
          Kids Definition of couldn't
           
          : could not                                                                I couldn't unlock the door.
           
           
          More from Merriam-Webster on couldn't 
          Nglish: Translation of couldn't for Spanish Speakers 
          Britannica English: Translation of couldn't for Arabic Speakers
           
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