28 entries under basic topic. ×

6
hidden(adjective, original, fundamental, likely)
5
latent(adjective, original, sluggish, fundamental)
2
concealed(adjective, original, fundamental, hidden)
2
veiled(adjective, original, fundamental, hidden)
1
intrinsic(adjective, original, fundamental, hidden)
0
basal(adjective, original, fundamental, primary)
0
bottom(adjective, original, fundamental, hidden)
0
bottom-line(adjective, original, fundamental, hidden)
0
cardinal(adjective, original, fundamental, primary)
0
critical(adjective, original, fundamental, hidden)
0
crucial(adjective, original, fundamental, hidden)
0
elemental(adjective, original, fundamental, primary)
0
elementary(adjective, original, fundamental, primary)
0
essential(adjective, original, fundamental, hidden)
0
fundamental(adjective, original, primary, latent)
0
indispensable(adjective, original, fundamental, hidden)
0
necessary(adjective, original, fundamental, hidden)
0
needful(adjective, original, fundamental, hidden)
0
nitty-gritty(adjective, original, fundamental, primary)
0
nub(adjective, original, fundamental, primary)
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APASmart Define. (2015). lurking thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lurking/thesaurus/synonyms
ChicagoSmart Define. 2015. "lurking thesaurus" https://smartdefine.org/lurking/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, lurking thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lurking/thesaurus/synonyms>.
MLASmart Define. "lurking thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/lurking/thesaurus/synonyms>