know-it-all
noun
: one who claims to know everything
also
: one who disdains advice
know-it-all
adjective
Examples of know-it-all in a Sentence
Recent Examples on the Web
By interacting with calendars, databases and other apps, AI is evolving from a know-it-all chatbot into a do-it-all digital teammate.
—
Thanh Pham, Forbes.com, 16 Sep. 2025
Playing the know-it-all professor of anthropology was Eric Stoltz as Dr. Steven Cale.
—Stephanie Sengwe, PEOPLE, 16 Sep. 2025
Advertisement Advertisement Personally, I’d take the dumbass over the know-it-all any day.
—Garry Ridge, Time, 4 Aug. 2025
After the news that the Dolphins and Pro Bowl cornerback Jalen Ramsey mutually agreed to seek a trade, some national NFL experts/know-it-alls opined the Dolphins have perhaps the worst cornerback groups in the NFL.
—Chris Perkins, Sun Sentinel, 25 July 2025
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Thanh Pham, Forbes.com, 16 Sep. 2025
Playing the know-it-all professor of anthropology was Eric Stoltz as Dr. Steven Cale.
—Stephanie Sengwe, PEOPLE, 16 Sep. 2025
Advertisement Advertisement Personally, I’d take the dumbass over the know-it-all any day.
—Garry Ridge, Time, 4 Aug. 2025
After the news that the Dolphins and Pro Bowl cornerback Jalen Ramsey mutually agreed to seek a trade, some national NFL experts/know-it-alls opined the Dolphins have perhaps the worst cornerback groups in the NFL.
—Chris Perkins, Sun Sentinel, 25 July 2025
See All Example Sentences for know-it-all
Cite this Entry
“Know-it-all.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know-it-all. Accessed 3 Oct. 2025.
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