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

Carden also said that it’s unclear how Monday’s announcement differs from an end-to-end logistics framework, Supply Chain by Amazon, that the company introduced in 2023, let alone what the current announcement would mean for freight.

From MarketWatch • May 4, 2026

Owner Gino Pozzo doesn't hang around if the situation gets close to this point, let alone reaches it, and he was on the wrong end of chanting from home supporters in yesterday's defeat.

From BBC • May 3, 2026

Did you imagine this as a possibility then, let alone now?

From Los Angeles Times • Apr. 30, 2026

In the decades following Solanas’ crime and years since Harron’s film was first released, the world has only proven to be a more difficult place to live, let alone find success.

From Salon • Apr. 29, 2026

I could barely breathe, let alone reply, so I did as she said.

From "Code Name Kingfisher" by Liz Kessler