: 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
Gabby Herzig, New York Times, 8 June 2026
The fact is, the galaxy would feel like an emptier place deprived of any of those octaves, let alone all four of them.
—Chris Willman, Variety, 7 June 2026
Ridgway also alleged many of his critics don’t have children — let alone children with disabilities.
—Brian Niemietz, New York Daily News, 5 June 2026
The offense so rarely gives everyone else a night off — so rarely allows for a bullpen or starting rotation to endure even the shortest of slumps, let alone the kind of slump the Royals’ bullpen has endured this year.
—Sam McDowell, Kansas City Star, 3 June 2026
See All Example Sentences for let alone
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Conjunction
Pars were difficult to come by, let alone birdies.
—Gabby Herzig, New York Times, 8 June 2026
The fact is, the galaxy would feel like an emptier place deprived of any of those octaves, let alone all four of them.
—Chris Willman, Variety, 7 June 2026
Ridgway also alleged many of his critics don’t have children — let alone children with disabilities.
—Brian Niemietz, New York Daily News, 5 June 2026
The offense so rarely gives everyone else a night off — so rarely allows for a bullpen or starting rotation to endure even the shortest of slumps, let alone the kind of slump the Royals’ bullpen has endured this year.
—Sam McDowell, Kansas City Star, 3 June 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 11 Jun. 2026.
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