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know-it-all
[ noh-it-awl ]
noun
- a person who acts as though they know everything and who dismisses the opinions, comments, or suggestions of others.
adjective
- of or characteristic of a person who acts as though they know everything and who dismisses the opinions, comments, or suggestions of others.
Word History and Origins
Origin of know-it-all1
Idioms and Phrases
see know all the answers .Example Sentences
Of course, being a kid is full of trial and error, especially when you’re a know-it-all.
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.
He talks about movies not with a know-it-all territorialism but rather an inclusive camaraderie.
If we’re paying attention, we might notice that Trump’s undisciplined, self-serving know-it-all behavior has measurable negative consequences.
Throughout the season Tuck strikes a wonderful balance between Kevin’s know-it-all enthusiasm and the internal bruising he carries due to his inability to fit in.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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