118 entries under significant topic. ×

2
substratal(adjective, simple, plain, important)
1
axiological(adjective, important, original, essential)
1
bottom-line(adjective, important, original, essential)
1
commanding(adjective, top, fine, important)
1
considerable(big, important, substantial, large)
1
conspicuous(adjective, vital, imperative)
1
decisive(big, substantial, valuable, vital)
1
determining(big, substantial, valuable, vital)
1
distinguished(adjective, good, fine, superior, unusual)
1
earnest(big, substantial, valuable, vital)
1
esteemed(vital, imperative)
1
exceptional(adjective, good, superior, big, unusual)
1
exigent(big, substantial, valuable, vital)
1
extensive(big, substantial, large, valuable)
1
famous(adjective, good, superior, important, exceptional)
1
far-reaching(big, substantial, valuable, vital)
1
fine(adjective, good, excellent, superior, important)
1
front-page(big, substantial, valuable, vital)
1
grass-roots(adjective, important, original, essential)
1
heavy(order, big, important, substantial)
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APASmart Define. (2016). primary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primary/thesaurus/synonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms>