Synonyms|158Antonyms|2|Broader|0Narrower|0Related|29

34 entries under significant topic. ×

1
necessary(adjective, important, original, basic)
1
paramount(adjective, important, original, basic)
1
primordial(adjective, important, original, basic)
1
principal(adjective, important, original, basic)
1
requisite(adjective, important, original, basic)
1
structural(adjective, important, original, basic)
1
substrative(adjective, important, original, essential)
1
supporting(adjective, important, original, basic)
1
sustaining(adjective, important, original, basic)
1
theoretical(adjective, important, original, basic)
1
underived(adjective, important, fresh, original)
1
vital(adjective, important, original, basic)
0
bottom line(expression, important, essential, basic)
0
grassroots(adjective, important, essential, basic)
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APASmart Define. (2015). foundational thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foundational/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundational thesaurus" https://smartdefine.org/foundational/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, foundational thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foundational/thesaurus/synonyms>.
MLASmart Define. "foundational thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/foundational/thesaurus/synonyms>