Synonyms|949Antonyms|256|Broader|10Narrower|11Related|1.1k

115 entries under significant topic. ×

1
earth-shaking(adjective, important, historic)
1
epochal(important, historic)
1
esteemed(vital, imperative)
1
extensive(big, substantial, valuable, vital)
1
far-reaching(big, important, substantial, valuable)
1
foremost(vital, imperative)
1
front-page(big, substantial, valuable, vital)
1
fundamental(adjective, important, essential, critical)
1
great(extraordinary, outstanding, vital, notable)
1
heavy(great, important, substantial, essential)
1
heavy number(expression, important, historic)
1
historic(great, extraordinary, important, lively)
1
important serious(expression, important, historic)
1
importunate(big, substantial, valuable, vital)
1
indispensable(adjective, important, essential, critical)
1
integral(important, serious, essential, critical)
1
large(big, substantial, valuable, vital)
1
marked(big, important, powerful, substantial)
1
mattering much(expression, big, substantial, valuable)
1
meaningful(important, substantial, valuable, essential)
For more, visit Decisive on Power Thesaurus
11 years ago|19k views|share |citing 
APASmart Define. (2015). decisive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/decisive/thesaurus/synonyms
ChicagoSmart Define. 2015. "decisive thesaurus" https://smartdefine.org/decisive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, decisive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/decisive/thesaurus/synonyms>.
MLASmart Define. "decisive thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/decisive/thesaurus/synonyms>