365 entries under adjective topic. ×

5
imperative(noun, law, regulation, concern)
5
introductory(start, simple, plain, head)
5
leading(important, head, significant, beginning)
5
material(noun, drop, part, important)
5
native(innate, inherent)
5
severe
5
single(simple, whole, united)
5
standard(noun, law, regulation, order)
5
staple(essential, basic, main, chief)
5
unadorned
5
uniform(simple, whole, united)
4
atomic(simple, pure, whole, united)
4
axiomatic(important, original, basic, primary)
4
beginning(noun, start, simple, plain)
4
capital(important, essential, prime, vital)
4
coherent(simple, whole, united)
4
complete
4
dominant(top, important, significant, usual)
4
focal(important, significant, key, main)
4
holistic(simple, whole, united)
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APASmart Define. (2016). fundamental thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, fundamental thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>.
MLASmart Define. "fundamental thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms>