know-it-all

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.

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

He paused and replied, “If we’d been less know-it-all, less ‘we’re from Harvard, so we know how to run your country and you don’t,’ do I think our relations could have developed differently?

From Slate • Dec. 23, 2024

She’s always reading and she’s smart, but she doesn’t act like a know-it-all.

From "Because of Mr. Terupt" by Rob Buyea