let alone

conjunction

: to say nothing of : not to mention
used especially to emphasize the improbability of a contrasting example
he would never walk again let alone play golfSports Illus.
how many ever see an Ambassador or Minister, let alone a PresidentRobert Lacville

Examples of let alone in a Sentence

I don't have enough money for a new car, let alone a luxury sedan.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These maintenance approaches evolved long before AI tools were envisioned, let alone created and implemented. John Clemons, Forbes.com, 15 July 2025 But Gerber also doesn’t see the Tesla board putting any limits on Musk, let alone replacing him. Chris Isidore, CNN Money, 14 July 2025 Perhaps there’s no point in trying to make sense of the announcements’ timing, let alone the tariffs. Yeo Boon Ping, CNBC, 14 July 2025 Without Medicaid, many disabled Americans literally could not even get out of bed, let alone find employment and live full, dignified lives. Josh Turek, MSNBC Newsweek, 14 July 2025 See All Example Sentences for let alone

Word History

First Known Use

1765, in the meaning defined above

Time Traveler
The first known use of let alone was in 1765

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Cite this Entry

“Let alone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/let%20alone. Accessed 21 Jul. 2025.

Kids Definition

let alone

conjunction
: to say nothing of : not to mention
lacked the courage, let alone the know-how
Last Updated: - Updated example sentences
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