Synonyms|29Antonyms|1|Broader|0Narrower|0Related|0

29 entries under important topic. ×

1
big(significant, historic)
1
chips are down(expression, idiom, significant, historic)
1
considerable(significant, historic)
1
decisive(significant, historic)
1
earth-shaking(significant, historic)
1
earth-shattering(significant, historic)
1
epochal(significant, historic)
1
eventful(significant, historic)
1
far-reaching(significant, historic)
1
fateful(significant, historic)
1
grave(significant, historic)
1
heavy(significant, historic)
1
historic
1
important serious(expression, significant, historic)
1
material(significant, historic)
1
memorable(significant, historic)
1
momentous(adjective, significant, historic)
1
of moment(expression, significant, historic)
1
outstanding(significant, historic)
1
substantial(significant, historic)
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APASmart Define. (2011). heavy number thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heavy_number/thesaurus/synonyms
ChicagoSmart Define. 2011. "heavy number thesaurus" https://smartdefine.org/heavy_number/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2011, heavy number thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heavy_number/thesaurus/synonyms>.
MLASmart Define. "heavy number thesaurus" 23 May 2011. Web. 26 September 2026. <https://smartdefine.org/heavy_number/thesaurus/synonyms>