let alone

conjunction

Definition of let alone

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

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Examples of let alone in a Sentence

I don't have enough money for a new car, let alone a luxury sedan.

First Known Use of let alone

1765, in the meaning defined above

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Time Traveler for let alone

Time Traveler

The first known use of let alone was in 1765

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Cite this Entry

“Let alone.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/let%20alone. Accessed 17 January 2020.

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