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.
Some of us who weren’t born yesterday remember that it was just eight years ago when the same thing happened.
From Salon ● Jun. 28, 2026
Those born yesterday will be shocked to learn that Noem’s compendium of veepstakes-timed fluff was written by a ghostwriter, on whom Noem’s spokesperson Ian Fury initially laid part of the blame.
From Slate ● May 6, 2024
"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
Ned looked at Jinx like he was born yesterday.
From "Moon Over Manifest" by Clare Vanderpool
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.
