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
Smart-assed, competent and a bit of a know-it-all, PJ runs his roost like mission control.
—
Rosy Cordero, Deadline, 24 Mar. 2026
In fact, some know-it-all called this race more or less over just a week ago.
—Glenn Whipp, Los Angeles Times, 2 Mar. 2026
Elsewhere, elites are framed as bureaucratic, academic know-it-alls – and get sucked into the culture war in the process.
—Alexa Beck, Fortune, 15 Feb. 2026
Here are our picks and predictions for the men’s hockey tournament, with expert analysis and critique from senior writers Sean Gentille, Mark Lazerus and James Mirtle, analytics know-it-all Shayna Goldman and goaltending expert Jesse Granger.
—Shayna Goldman, New York Times, 9 Feb. 2026
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Rosy Cordero, Deadline, 24 Mar. 2026
In fact, some know-it-all called this race more or less over just a week ago.
—Glenn Whipp, Los Angeles Times, 2 Mar. 2026
Elsewhere, elites are framed as bureaucratic, academic know-it-alls – and get sucked into the culture war in the process.
—Alexa Beck, Fortune, 15 Feb. 2026
Here are our picks and predictions for the men’s hockey tournament, with expert analysis and critique from senior writers Sean Gentille, Mark Lazerus and James Mirtle, analytics know-it-all Shayna Goldman and goaltending expert Jesse Granger.
—Shayna Goldman, New York Times, 9 Feb. 2026
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 2 Apr. 2026.
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