46 entries under significant topic. ×

24
portentous(adjective, importance, valuable, black)
18
momentous(adjective, importance, important, valuable)
14
grave(adjective, tough, severe, importance, important)
14
ominous(adjective, grave, foreboding, threatening)
12
crucial(adjective, severe, important, lively)
12
decisive(adjective, important, lively, definite)
12
inauspicious(adjective, black, threatening, menacing)
9
critical(adjective, important, lively, exciting)
9
important(adjective, importance, valuable, main)
8
direful(adjective, horrible, black, fearful)
7
apocalyptic(adjective, warn, luck, arouse bad emotions)
7
meaningful(adjective, tough, severe, importance, important)
5
conclusive
4
eventful(adjective, important, lively, exciting)
4
pivotal(adjective, important, key, historic)
3
acute
3
determinative
2
doomful
2
formidable(adjective, tough, severe, important)
2
heavy(severe, important, weighty, historic)
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APASmart Define. (2016). fateful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fateful/thesaurus/synonyms
ChicagoSmart Define. 2016. "fateful thesaurus" https://smartdefine.org/fateful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fateful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fateful/thesaurus/synonyms>.
MLASmart Define. "fateful thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/fateful/thesaurus/synonyms>