4
last(adjective, end, hinder, extreme, past)
4
most inferior
4
niggling(adjective, property, slightest, smallest)
4
second(adjective, minimum, slightest, smallest, tiniest)
3
atomic(adjective, slightest, smallest)
3
below
3
insignificant(adjective, trifling, negligible)
3
little
3
mean
3
mere
3
minor
3
minority(noun, part, share, segment, proportion)
3
piddling(adjective, slightest, smallest)
3
shortest
3
smallest amount(expression, idiom)
3
under
2
at least(expression, idiom)
2
bit
2
hardly the most(expression, idiom)
2
innocuous(adjective, boring, tedious, tasteless, lifeless)
11 years ago|11k views|share |citing 
APASmart Define. (2015). least thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/least/thesaurus/synonyms
ChicagoSmart Define. 2015. "least thesaurus" https://smartdefine.org/least/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, least thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/least/thesaurus/synonyms>.
MLASmart Define. "least thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/least/thesaurus/synonyms>