: 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 golf.—
Sports Illus.
Sports Illus.how many ever see an Ambassador or Minister, let alone a President—Robert Lacville
Robert Lacvillelet alone
2 of 2phrase
: to leave undisturbed
let the flowers alone
also
: to leave to oneself
wanted to be let alone
Examples of let alone in a Sentence
Conjunction
I don't have enough money for a new car, let alone a luxury sedan.
Recent Examples on the Web
Jordan Mintzer, HollywoodReporter, 21 Apr. 2026
This is the meeting of the messenger planet and the taskmaster, let alone in the zodiac’s most fearless sign, setting the stage for a transit that cuts right through the fluff, forcing truth and directness.
—Valerie Mesa, PEOPLE, 20 Apr. 2026
Dead on arrival is what state Republicans are saying about attempts to approve recreational cannabis legalization, let alone exemption from criminal or civil penalties for cannabis convictions and expungements.
—Ross Guidotti, CBS News, 20 Apr. 2026
Since the start of last year, the Department of Homeland Security (DHS) has taken longer and longer to process applications, meaning an increasing number of people wait months without confirmation that their application was received - let alone reviewed.
—Ximena Bustillo, NPR, 17 Apr. 2026
See All Example Sentences for let alone
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Conjunction
Nobody winds up a winner in Agon, let alone makes it out of these faux Olympics unscathed.
—Jordan Mintzer, HollywoodReporter, 21 Apr. 2026
This is the meeting of the messenger planet and the taskmaster, let alone in the zodiac’s most fearless sign, setting the stage for a transit that cuts right through the fluff, forcing truth and directness.
—Valerie Mesa, PEOPLE, 20 Apr. 2026
Dead on arrival is what state Republicans are saying about attempts to approve recreational cannabis legalization, let alone exemption from criminal or civil penalties for cannabis convictions and expungements.
—Ross Guidotti, CBS News, 20 Apr. 2026
Since the start of last year, the Department of Homeland Security (DHS) has taken longer and longer to process applications, meaning an increasing number of people wait months without confirmation that their application was received - let alone reviewed.
—Ximena Bustillo, NPR, 17 Apr. 2026
See All Example Sentences for let alone
Cite this Entry
“Let alone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/let%20alone. Accessed 23 Apr. 2026.
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