let alone

Idioms  

1. See leave someone alone .

2. Not to mention, as in We have no room for another house guest, let alone an entire family . [c. 1800]

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Example Sentences

There’s little clarity about where things stand in college athletics right now, let alone where they’re going.

From Los Angeles Times • May 31, 2026

The other part is that if she did see it, she would not necessarily have thought it belonged to her in-laws, let alone that it had been paid for with SNP funds.

From BBC • May 31, 2026

Does anyone expect that U.S.-China relations will evolve into a friendship, let alone an alliance?

From The Wall Street Journal • May 31, 2026

"This heat would be exceptional in the UK even in mid-summer, let alone May," it said on X.

From Barron's • May 25, 2026

These ogres did not have multiphasic glob coils or photonic scramblers, let alone an intergalactic teleporter.

From "Klawde: Evil Alien Warlord Cat" by Johnny Marciano and Emily Chenoweth