124 entries under significant topic. ×

1
importunate(adjective, big, important, substantial)
1
intrinsic(adjective, important, natural, original)
1
large(big, substantial, valuable, imperative)
1
marked(big, substantial, valuable, imperative)
1
mattering much(expression, big, substantial, valuable)
1
meat-and-potatoes(adjective, important, original, essential)
1
of moment(expression, big, important, substantial)
1
of note(expression, adjective, big, substantial)
1
of substance(expression, big, substantial, valuable)
1
original(adjective, body, material, important)
1
perilous(adjective, heavy, serious, acute)
1
ponderous(big, substantial, valuable, imperative)
1
primordial(adjective, important, original, essential)
1
salient(big, substantial, valuable, earnest)
1
standout(big, substantial, valuable, imperative)
1
structural(material, important, natural, original)
1
substratal(adjective, important, original, essential)
1
substrative(adjective, important, original, essential)
1
supporting(adjective, important, original, essential)
1
sustaining(adjective, important, original, essential)
10 years ago|29k views|share |citing 
APASmart Define. (2015). vital thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vital/thesaurus/synonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 28 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms>