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
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
People seemed to engage with us as know-it-all, capital-E experts who could confidently answer any questions that were even remotely related to our specialties.
—Lauren Keating, Scientific American, 21 July 2025
Her uncaring parents were all too happy to have their loudmouth, know-it-all daughter off their hands.
—Greg Evans, Deadline, 12 June 2025
The actor played know-it-all postal worker Cliff Clavin through the series’ first nine seasons.
—Lauren Coates, Variety, 20 May 2025
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Chris Perkins, Sun Sentinel, 25 July 2025
People seemed to engage with us as know-it-all, capital-E experts who could confidently answer any questions that were even remotely related to our specialties.
—Lauren Keating, Scientific American, 21 July 2025
Her uncaring parents were all too happy to have their loudmouth, know-it-all daughter off their hands.
—Greg Evans, Deadline, 12 June 2025
The actor played know-it-all postal worker Cliff Clavin through the series’ first nine seasons.
—Lauren Coates, Variety, 20 May 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 29 Jul. 2025.
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