Synonyms|29Antonyms|0|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
heavy number(expression, significant, historic)
1
historic
1
material(significant, historic)
1
memorable(significant, historic)
1
of moment(expression, significant, historic)
1
outstanding(significant, historic)
1
substantial(significant, historic)
0
consequential(significant, historic)
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APASmart Define. (1970). important serious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/important_serious/thesaurus/synonyms
ChicagoSmart Define. 1970. "important serious thesaurus" https://smartdefine.org/important_serious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 1970, important serious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/important_serious/thesaurus/synonyms>.
MLASmart Define. "important serious thesaurus" 1 January 1970. Web. 28 September 2026. <https://smartdefine.org/important_serious/thesaurus/synonyms>