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.
But it’s voters who decide elections, not know-it-all columnists.
From Los Angeles Times • Jun. 7, 2026
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
I always do my homework, but I don’t want to be one of those know-it-all kids who wave their hands around like they’re trying to put out a fire whenever a teacher asks a question.
From "A Good Kind of Trouble" by Lisa Moore Ramée
