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know-it-all

[noh-it-awl] / ˈnoʊ ɪtˌɔl /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a 2015 biography, author Ashlee Vance described Musk as "a confrontational know-it-all" with an "abundant ego".

From BBC • Jun. 4, 2026

Volker Beck, president of the German-Israeli Society, labelled Steinmeier's comments on the war "grossly inappropriate" and said they displayed a "smug know-it-all attitude".

From Barron's • Mar. 24, 2026

The idea was to put to rest any worry that she might parade in like a know-it-all.

From The Wall Street Journal • Oct. 30, 2025

More than this, it redeems Daniel too, highlighting his transformation from a self-righteous know-it-all into a man who makes peace with some mysteries and finds balance with the man he once tolerated.

From Salon • Feb. 13, 2025

Roland Mathers, who is kind of a know-it-all and talks like he’s forty, raises his hand and starts to speak even before she calls on him.

From "Finding Junie Kim" by Ellen Oh




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