lest we forget
Americanidiom
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we should not forget (often used as a cautionary phrase).
Lest we forget, many large conflicts have started over small, insignificant areas.
Lest we forget, fake news is still with us.
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in case you have forgotten (used facetiously).
The 1980s, lest we forget, was a terrible era for fashion.
Etymology
Origin of lest we forget
Refrain from Rudyard Kipling's poem “Recessional” (1897)
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.
And, lest we forget, it was only halftime.
From The Wall Street Journal • Feb. 5, 2026
For much of mankind’s history, mere day-to-day survival has been the real priority — and, lest we forget, it still is for a good part of the planet’s population.
From MarketWatch • Dec. 31, 2025
But lest we forget that the whole is greater than the sum of its parts, or that the parts extend far beyond the confines of athleticism alone.
From Salon • Aug. 10, 2024
She’s so much more than Johnny Cash’s wife – lest we forget she wrote “Ring of Fire,” after all.
From Seattle Times • Jan. 14, 2024
“I have my old father and these three small mouths and another about to be born. We must go lest we forget our nature and eat each other as the wild dogs do.”
From "The Good Earth" by Pearl S. Buck
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.
