Synonyms|808Antonyms|181|Broader|12Narrower|6Related|385

52 entries under basic topic. ×

4
inmost(adjective, essential, main, middle)
4
integral(adjective, important, significant, original, essential)
4
primordial(adjective, important, significant, original)
3
deep(adjective, original, essential, primary)
3
necessary(adjective, important, significant, original, critical)
3
rudimentary(adjective, important, significant, original)
3
ruling(adjective, serious, prime, main)
3
underlying(adjective, top, important, significant, original)
2
material(significant, essential, vital, imperative)
2
original(important, significant, vital, primitive)
2
preeminent(adjective, head, serious, essential)
2
primitive(top, important, significant, original, essential)
2
requisite(adjective, important, significant, original, essential)
2
serious(important, significant, prime, vital)
1
axiological(important, significant, original, vital)
1
axiomatic(important, significant, original, vital)
1
bottom(important, significant, original, vital)
1
bottom-line(important, significant, original, vital)
1
constitutive(important, significant, original, serious)
1
foundational(important, significant, original, vital)
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ChicagoSmart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, central thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>.
MLASmart Define. "central thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/central/thesaurus/synonyms>