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

It shouldn’t take months, let alone years, to take back control of public spaces, and Pratt’s criticism is warranted, no doubt.

From Los Angeles Times • Jun. 6, 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 even in the middle of summer, let alone spring, the Met Office says.

From BBC • May 26, 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

So I couldn’t figure who’d give me a kind word let alone something as true special as an orange.

From "Worth" by A. LaFaye