147 entries under significant topic. ×

1
distinguished(adjective, big, important, substantial)
1
doozie(big, important, substantial, large)
1
dynamite(big, important, substantial, large)
1
esteemed(vital, imperative)
1
extensive(big, substantial, large, valuable)
1
fab(big, important, substantial, large)
1
far-reaching(big, substantial, valuable, vital)
1
fat(big, important, substantial, large)
1
front-page(big, substantial, valuable, vital)
1
grass-roots(adjective, important, original, basic)
1
importunate(adjective, big, important, substantial)
1
large(big, substantial, valuable, vital)
1
marked(adjective, great, big, individual)
1
mattering much(expression, big, substantial, valuable)
1
meat-and-potatoes(adjective, important, original, critical)
1
mondo(big, important, substantial, large)
1
much(substantial, large)
1
name of game(noun, expression, adjective, idiom)
1
noteworthy(big, important, substantial, large)
1
of moment(expression, big, substantial, valuable)
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APASmart Define. (2016). essential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>