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
-
Whether that man could ever be found, let alone brought to justice, remained to be seen.—
Literary Hub,
Literary Hub,
28 Jan. 2026 -
The other defeats in the sequence have come away to Liverpool, away to Arsenal and at home to Villa — none of which are games they should be expected to draw, let alone win.—
Andy Naylor,
New York Times,
28 Jan. 2026
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“Still less.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/still%20less. Accessed 1 Feb. 2026.
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