let alone

1 of 2

conjunction

Synonyms of let alonenext
: 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.
how many ever see an Ambassador or Minister, let alone a PresidentRobert Lacville

let alone

2 of 2

phrase

: to leave undisturbed
let the flowers alone
also : to leave to oneself
wanted to be let alone

Synonyms of 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
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.
Conjunction
Growth has slowed, discretionary spending is under pressure, and visibility alone — whether through celebrity endorsements, capsule collections, or familiar zodiac motifs — no longer guarantees resonance, let alone conversion. Yiling Pan, Vogue, 17 Feb. 2026 Not everyone has the stamina or skill to play ice hockey, let alone into their ninth decade of life. The Washington Post, San Diego Union-Tribune, 17 Feb. 2026 That’s less than what many people spend on a vacation to watch the Olympics, let alone compete in them. Ryan Brennan, Miami Herald, 17 Feb. 2026 Cancer, kismet and the comfort of girlhood Taylor and Finkel know not all cancer patients have a best friend who lives close enough to go to appointments with them, let alone the time to do so. Madeline Mitchell, USA Today, 13 Feb. 2026 See All Example Sentences for let alone

Word History

First Known Use

Conjunction

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 19 Feb. 2026.

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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