98 entries under adjective topic. ×

1
inherent(essential, basic, absolute, fundamental)
1
initial(simple, straightforward, basic, fundamental)
1
innate(basic, absolute, fundamental, key)
1
integral(important, significant, original, essential)
1
introductory(simple, straightforward, basic, fundamental)
1
key(important, significant, original, essential)
1
main(original, essential, basic, absolute)
1
major(important, significant, original, essential)
1
material(basic, absolute, fundamental, key)
1
meat-and-potatoes(important, significant, fresh, original)
1
meat and potatoes(expression, idiom, simple, plain)
1
name of the game(expression, idiom, basic, absolute)
1
necessary(important, significant, original, essential)
1
nitty-gritty(original, basic, absolute, fundamental)
1
nub(original, basic, absolute, fundamental)
1
paramount(important, significant, original, essential)
1
perfect(basic, absolute, fundamental, key)
1
plain(simple, straightforward, basic, fundamental)
1
prefatory(simple, straightforward, basic, fundamental)
1
preliminary(simple, straightforward, basic, fundamental)
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APASmart Define. (2011). substratal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/substratal/thesaurus/synonyms
ChicagoSmart Define. 2011. "substratal thesaurus" https://smartdefine.org/substratal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, substratal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/substratal/thesaurus/synonyms>.
MLASmart Define. "substratal thesaurus" 24 May 2011. Web. 24 September 2026. <https://smartdefine.org/substratal/thesaurus/synonyms>