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know-all

noun

chiefly British

Examples of know-all in a Sentence

Recent Examples on the Web
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How well hidden are the implications of using some other app that has an indirect path to our friendly know-all? top comment Apple's New iPhone Accessory Is Part Sock, Part Crossbody Strap 1d $150 - $230 ! ! ! PC Magazine, 11 Nov. 2025

Word History

First Known Use

circa 1864, in the meaning defined above

Time Traveler
The first known use of know-all was circa 1864

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Cite this Entry

“Know-all.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know-all. Accessed 30 Nov. 2025.

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