Let alone
Let alone conjunction - To say nothing of.
Usage example: I don't have enough money for a new car, let alone a luxury sedan
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Synonyms for Let alone
Much less and let alone are semantically related. In some cases you can use "Much less" instead the word "Let alone" as a conjunction or an adverb.
Much less
Much less conjunction - To say nothing of.
Usage example: after spraining his ankle, the gymnast hadn't been expected to appear in today's event, much less win it
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Synonyms for Much less
Let alone and much less are semantically related. You can use "Let alone" instead the phrase "Much less" as a conjunction or an adverb.
Mutual synonyms
Both terms in one sentence
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However, they're much less of a plot point unto themselves than Ranger Keys or Turbo Keys, let alone Power Coins or Core Medals.
Source: Transformation Trinket - Then he kicks her in the stomach, reasoning ""she has to breathe"", an attack which has much less chance of putting down a normal human, let alone a superhuman, but she is down and out.
Source: Popularity Power
Cite this Source
Much less and Let alone. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/let_alone/much_less
Let alone & Much less. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/let_alone/much_less>.
Much less or Let alone. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/let_alone/much_less.
Google Ngram Viewer shows how "let alone" and "much less" have occurred on timeline