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

43 entries under original topic. ×

3
deep(adjective, essential, basic, primary)
3
necessary(adjective, important, significant, critical)
3
rudimentary(adjective, important, significant, basic)
3
underlying(adjective, top, important, significant)
2
primitive(top, important, significant, essential)
2
requisite(adjective, important, significant, essential)
1
axiological(important, significant, basic, vital)
1
axiomatic(important, significant, basic, vital)
1
bottom(important, significant, basic, vital)
1
bottom-line(important, significant, basic, vital)
1
constitutional(adjective, close, top, important, significant)
1
constitutive(important, significant, serious, basic)
1
foundational(important, significant, basic, vital)
1
grass-roots(important, significant, basic, vital)
1
highest(adjective, serious, basic, prime)
1
meat-and-potatoes(important, significant, basic, vital)
1
structural(important, significant, basic, vital)
1
substratal(important, significant, essential, basic)
1
substrative(important, significant, basic, vital)
1
supporting(important, significant, basic, vital)
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ChicagoSmart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, central thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>.
MLASmart Define. "central thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/central/thesaurus/synonyms>