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

See Examples For:

let alone

He isn’t polished, let alone slick; he conveys a rough-hewn authenticity and comfort in his own skin.

From The Wall Street Journal ● Jul. 21, 2026

But none of that guarantees he'll lead Labour to recover, let alone the enormous task of helping a grumpy country thrive.

From BBC ● Jul. 18, 2026

“Well, I’m not having it, babe ... who would do that to a friend, let alone the one you love.”

From Los Angeles Times ● Jul. 15, 2026

Would he ever set foot in a classroom again, let alone achieve his dream of becoming a doctor?

From Los Angeles Times ● Jul. 10, 2026

These microscopic animals might be marvels of nature, but no doctor suspects that they have anything to do with disease, let alone infections.

From "Phineas Gage" by John Fleischman