29 entries under opening topic. ×

1
primary(adjective, head, beginning, original)
1
prime(adjective, head, beginning, original)
1
primeval(adjective, head, beginning, original)
1
primitive(adjective, head, beginning, original)
1
primogenial(adjective, head, beginning, original)
1
primordial(adjective, head, beginning, original)
1
pristine(adjective, head, beginning, original)
1
rudimentary(adjective, head, beginning, original)
0
elementary(adjective, head, beginning, original)
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APASmart Define. (2015). smallest thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/smallest/thesaurus/synonyms
ChicagoSmart Define. 2015. "smallest thesaurus" https://smartdefine.org/smallest/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, smallest thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/smallest/thesaurus/synonyms>.
MLASmart Define. "smallest thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/smallest/thesaurus/synonyms>