as in not to mention
to say nothing of
I never suggested that he was incompetent, still less that he was dishonest
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for still less
let alone
Conjunction
-
Also today, Isaac Chotiner speaks with an Iran expert about what concessions the country would want to reopen the strait and why an off-ramp—let alone a permanent peace—may be so hard to find.—
Hannah Jocelyn,
New Yorker,
25 Mar. 2026 -
With more than three quarters of its residents born in-state, Louisiana was low on migrants from the United States, let alone foreign countries.—
Daniel Brook,
Harpers Magazine,
24 Mar. 2026
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“Still less.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/still%20less. Accessed 29 Mar. 2026.
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