born yesterday
IdiomsExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
You need not have been born yesterday to be frustrated.
From Slate • Sep. 8, 2025
"You were not born yesterday, you understood exactly what you were doing," he said.
From BBC • Mar. 12, 2024
Bahamas Chief Magistrate JoyAnn Ferguson-Pratt contributed witty asides that often left the courtroom chuckling, once quipping "I wasn't born yesterday" at the defense counsel's interpretation of the law.
From Reuters • Dec. 14, 2022
“You must think we were born yesterday, fella!” the show’s no-nonsense senior police officer Ted Hastings, played by Adrian Dunbar, thundered in the video, which has been viewed millions of times on social media.
From Seattle Times • Jan. 29, 2022
“I wasn’t born yesterday, Ana,” her mom says, coming down the stairs.
From "The Tenth Mistake of Hank Hooperman" by Gennifer Choldenko
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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.