1
not a jot(expression, idiom, smallness, negation)
1
not a whit(expression, idiom, smallness, negation)
1
not at all(expression, idiom, smallness, negation)
1
numero uno(expression, adjective, head, beginning, prime)
1
on no account(expression, idiom, smallness, negation)
1
once and for all(expression, adjective, idiom, end, extreme)
1
only
1
opening(adjective, head, beginning, original, prime)
1
original(adjective, head, beginning, opening, prime)
1
outermost(adjective, end, hinder, last, extreme)
1
particle
1
pioneer(adjective, head, beginning, opening, original)
1
plain
1
poor
1
poorest(adjective, minimum, slightest, smallest, tiniest)
1
premier(adjective, head, beginning, opening, original)
1
primary(adjective, head, beginning, opening, original)
1
prime(adjective, head, beginning, opening, original)
1
primeval(adjective, head, beginning, opening, original)
1
primitive(adjective, head, beginning, opening, original)
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APASmart Define. (2015). least thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/least/thesaurus/synonyms
ChicagoSmart Define. 2015. "least thesaurus" https://smartdefine.org/least/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, least thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/least/thesaurus/synonyms>.
MLASmart Define. "least thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/least/thesaurus/synonyms>