lest we forget

[ lest wee fer-get ]

idiom

1. 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.

2. in case you have forgotten (used facetiously):

   The 1980s, lest we forget, was a terrible era for fashion.

Word History and Origins

Origin of lest we forget¹

Refrain from Rudyard Kipling's poem “Recessional” (1897)

Example Sentences

Lest we forget, Hillary Clinton got 2.8 million more votes than Donald Trump did in 2016, but the distribution of those votes turned out to be an insurmountable problem: If we subtract California, Illinois, Massachusetts and New York from the overall total, Trump won the rest of the country by 5 million votes.

From Salon

Lest we forget: New York Dems also got a full-on do-over on their 2022 district maps and changed basically nothing.

From Slate

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

And lest we forget Trump’s own crude remarks on the matter: On Aug. 8, 2015, he accused newscaster Megyn Kelly of having “blood coming out of her wherever.”

From Los Angeles Times

Lest we forget "Don't F**k With Cats: Hunting an Internet Killer," Netflix's 2019 limited series details how a group of cat lovers banded together online to investigate animal cruelty videos that went viral.

From Salon