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
-
Cutting short the New York Health Act is a shame and disrespects our elders, let alone others with disabilities.—
Voice of the People,
New York Daily News,
29 Apr. 2026 -
The state legislature still hasn’t passed a budget for this fiscal year, which began in July – let alone for next school year.—
Rebecca Noel,
Charlotte Observer,
29 Apr. 2026
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“Still less.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/still%20less. Accessed 2 May. 2026.
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