1. couldn't

                contraction
                \ 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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                Time Traveler for couldn't

                Time Traveler

                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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                More Definitions for couldn't

                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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                Merriam-Webster unabridged

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