know by heart
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.
“How Does Santa Go Down the Chimney?” isn’t a timeless classic that kids are likely to know by heart as they do “The Night Before Christmas.”
From Salon • Dec. 11, 2025
More importantly, Petty and Campbell would co-write songs that millions of people now know by heart: “You Got Lucky,” “Refugee,” “Here Comes My Girl.”
From Los Angeles Times • Mar. 14, 2025
At home, the team is beloved as the Steel Roses, which is also the title of their theme song that millions of Chinese know by heart.
From BBC • Jul. 27, 2023
What might sound like a form of torture also happens to be a song many of us already know by heart but to which we are generally loath to listen.
From Washington Post • Oct. 27, 2021
Then we have a looonnnnng assembly and watch Martin Luther King’s “I Have a Dream” speech, which you know by heart from listening to it fifty-eleven times at home.
From "Booked" by Kwame Alexander
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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.