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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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