as in not to mention
to say nothing of
I don't have enough money for a new car, let alone a luxury sedan
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Recent Examples of let alone
Starship is as yet incapable of reaching the moon, let alone delivering a lander to it.
—
David W. Brown, New Yorker, 6 Apr. 2026
There was no guarantee this collection of players would gel at all, let alone at the exact right time.
—Sean Hammond, Chicago Tribune, 5 Apr. 2026
Right now, there simply isn't a path to get from Sacramento to San Diego, let alone from San Francisco to LA.
—Jon Wertheim, CBS News, 5 Apr. 2026
But first, the principal points to a photo of the school as it was originally constructed in its current form, surrounded by seemingly nothing, let alone an In-n-Out.
—Chris Willman, Variety, 4 Apr. 2026
See All Example Sentences for let alone
David W. Brown, New Yorker, 6 Apr. 2026
There was no guarantee this collection of players would gel at all, let alone at the exact right time.
—Sean Hammond, Chicago Tribune, 5 Apr. 2026
Right now, there simply isn't a path to get from Sacramento to San Diego, let alone from San Francisco to LA.
—Jon Wertheim, CBS News, 5 Apr. 2026
But first, the principal points to a photo of the school as it was originally constructed in its current form, surrounded by seemingly nothing, let alone an In-n-Out.
—Chris Willman, Variety, 4 Apr. 2026
See All Example Sentences for let alone
Cite this Entry
“Let alone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/let%20alone. Accessed 15 Apr. 2026.
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