Synonyms|101Antonyms|2|Broader|0Narrower|0Related|4

45 entries under significant topic. ×

1
crucial(adjective, important, original, essential)
1
first(adjective, rough, important, fresh)
1
grass-roots(adjective, important, original, essential)
1
indispensable(adjective, important, original, essential)
1
integral(adjective, important, original, essential)
1
key(adjective, important, original, essential)
1
major(adjective, important, original, essential)
1
meat-and-potatoes(adjective, important, fresh, original)
1
meat and potatoes(expression, adjective, idiom, simple, plain)
1
necessary(adjective, important, original, essential)
1
paramount(adjective, important, original, essential)
1
prime(adjective, important, original, essential)
1
primordial(adjective, rough, important, original)
1
principal(adjective, important, original, essential)
1
radical(adjective, important, original, essential)
1
requisite(adjective, important, original, essential)
1
structural(adjective, important, original, basic)
1
substrative(adjective, important, original, essential)
1
supporting(adjective, important, original, essential)
1
sustaining(adjective, important, original, essential)
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APASmart Define. (2011). substratal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/substratal/thesaurus/synonyms
ChicagoSmart Define. 2011. "substratal thesaurus" https://smartdefine.org/substratal/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2011, substratal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/substratal/thesaurus/synonyms>.
MLASmart Define. "substratal thesaurus" 24 May 2011. Web. 23 September 2026. <https://smartdefine.org/substratal/thesaurus/synonyms>