12 entries under simple topic. ×

16
first(adjective, adverb, start, top)
10
primary(adjective, start, top, original)
8
primitive(adjective, top, original, basic)
8
primordial(adjective, start, original, basic)
6
pristine(adjective, clean, pure, original)
5
early(adjective, clean, perfect, natural)
4
basic(adjective, top, beginning, opening)
1
elementary(adjective, top, beginning, opening)
1
fundamental(adjective, top, beginning, opening)
1
underivative(basic, authentic, first, unsophisticated)
0
rudimentary(original, basic, first, unsophisticated)
0
underived(basic, authentic, first, unsophisticated)
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APASmart Define. (2016). earliest thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/earliest/thesaurus/synonyms
ChicagoSmart Define. 2016. "earliest thesaurus" https://smartdefine.org/earliest/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, earliest thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/earliest/thesaurus/synonyms>.
MLASmart Define. "earliest thesaurus" 13 March 2016. Web. 22 September 2026. <https://smartdefine.org/earliest/thesaurus/synonyms>