Synonyms|92Antonyms|1|Broader|0Narrower|0Related|3

15 entries under serious topic. ×

2
critical(important, significant, historic)
1
consequential(important, significant, critical, historic)
1
crucial(important, significant, critical, historic)
1
earthshaking(adjective, important, critical)
1
meaningful(important, significant, critical, historic)
1
pivotal(important, significant, critical, historic)
1
significant(important, critical, historic)
1
vital(important, significant, critical, historic)
0
all-important(adjective, important, critical, earthshaking)
0
earth-shaking(adjective, important, significant, critical)
0
earthshattering(adjective, important, critical, earthshaking)
0
extremely important(expression, adjective, important, critical)
0
life or death(expression, adjective, idiom, important)
0
of vital importance(expression, adjective, idiom, important)
0
vitally important(expression, adjective, important, critical)
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APASmart Define. (2013). earth-shattering thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/earth-shattering/thesaurus/synonyms
ChicagoSmart Define. 2013. "earth-shattering thesaurus" https://smartdefine.org/earth-shattering/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2013, earth-shattering thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/earth-shattering/thesaurus/synonyms>.
MLASmart Define. "earth-shattering thesaurus" 17 June 2013. Web. 30 September 2026. <https://smartdefine.org/earth-shattering/thesaurus/synonyms>