mightn't

contraction

ˈmī-tᵊnt

: might not

Word History

First Known Use

1781, in the meaning defined above

Time Traveler

The first known use of mightn't was in 1781

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Cite this Entry

Style

“Mightn't.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mightn%27t. Accessed 3 Mar. 2025.

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Kids Definition

mightn't

ˈmīt-ᵊnt

: might not

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