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.
Much of what drives us is hidden from ourselves, let alone others. Tomas Chamorro-Premuzic, Forbes.com, 9 June 2025 Only a small group of people in the world would be capable of developing such questions, let alone answering them. Lyndie Chiou, Scientific American, 6 June 2025 Worse, this failure would be an obstacle to achieving the ten-year 2.6 percent growth target that the House Budget Committee has set (let alone Secretary of the Treasury Scott Bessent’s goal of 3 percent growth). Joshua Rauh, National Review, 4 June 2025 Ukraine and Russia are due for another round of direct negotiations in Istanbul, with the timing yet to be agreed, though progress toward a temporary ceasefire is slow, let alone a full peace deal as desired by U.S. President Donald Trump. Shane Croucher john Feng, MSNBC Newsweek, 4 June 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

Browse Nearby Words

Cite this Entry

“Let alone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/let%20alone. Accessed 14 Jun. 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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