Synonyms|103Antonyms|23|Broader|0Narrower|0Related|376

7 entries under serious topic. ×

1
earth-shaking(adjective, important, critical)
1
earth-shattering(adjective, important, critical)
0
all-important(adjective, important, critical)
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. (2015). earthshaking thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/earthshaking/thesaurus/synonyms
ChicagoSmart Define. 2015. "earthshaking thesaurus" https://smartdefine.org/earthshaking/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, earthshaking thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/earthshaking/thesaurus/synonyms>.
MLASmart Define. "earthshaking thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/earthshaking/thesaurus/synonyms>