22
not to mention(expression, conjunction, nothingness, less, negativeness)
21
let alone(expression, nothingness, comparison, less, negativeness)
21
never mind(expression, conjunction, nothingness, less, negativeness)
20
say nothing of(expression, conjunction, nothingness, comparison, less)
14
still less(expression, conjunction, weak, small, nothingness)
13
even less(expression, adverb, nothingness, less, negativeness)
12
less than(conjunction, comparison, less, negativeness)
11
far less(expression, weak, small, less)
8
least of all(expression, comparison, less, negativeness)
7
massively smaller(expression, weak, small, less)
7
needless to say(expression, nothingness, less, negativeness)
7
not to speak of(expression, nothingness, less, negativeness)
7
quite apart from(expression, nothingness, less, negativeness)
7
say nothing but(expression, nothingness, less, negativeness)
7
substantially smaller(expression, weak, small, less)
7
without mentioning(expression, nothingness, less, negativeness)
6
many fewer(expression, weak, small, less)
6
much lesser(expression, weak, small, less)
5
be far less(expression, weak, small, less)
5
far fewer(expression, weak, small, less)
<12>
11 years ago|12 views|share |citing 
APASmart Define. (2015). much less thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/much_less/thesaurus/synonyms
ChicagoSmart Define. 2015. "much less thesaurus" https://smartdefine.org/much_less/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, much less thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/much_less/thesaurus/synonyms>.
MLASmart Define. "much less thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/much_less/thesaurus/synonyms>