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

Let alone two — or even three — at the same time.

From Los Angeles Times • Sep. 24, 2025

Let alone that it was brutal, systematic, and defended by law and Scripture alike.

From Slate • Apr. 23, 2025

"Let alone the attacks on the service which will affect customers."

From BBC • Dec. 19, 2022

Let alone he has 3 rockets up his butt and can fly.

From Washington Times • Apr. 30, 2022

Let alone in front of a boy she actually liked.

From "When Dimple Met Rishi" by Sandhya Menon