Synonyms|429Antonyms|99|Broader|5Narrower|0Related|628

46 entries under significant topic. ×

1
chips are down(expression, idiom, important, historic)
1
deep(adjective, tough, severe, difficult, important)
1
earth-shattering(important, historic)
1
epochal(important, historic)
1
far-reaching(adjective, tough, severe, important)
1
hard(adjective, tough, severe, important)
1
heavy number(expression, important, historic)
1
important serious(expression, important, historic)
1
laborious(adjective, tough, severe, important)
1
meaning business(expression, adjective, tough, severe, important)
1
memorable(important, lively, exciting, busy)
1
no joke(expression, adjective, tough, severe, important)
1
no laughing matter(expression, adjective, idiom, tough, severe)
1
of consequence(expression, adjective, tough, severe, important)
1
of moment(expression, important, historic)
1
operose(adjective, tough, severe, important)
1
out for blood(expression, adjective, idiom, tough, severe)
1
playing hard ball(expression, adjective, idiom, tough, severe)
1
smoking(adjective, tough, severe, important)
1
sobering(adjective, tough, severe, important)
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APASmart Define. (2016). fateful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fateful/thesaurus/synonyms
ChicagoSmart Define. 2016. "fateful thesaurus" https://smartdefine.org/fateful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, fateful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fateful/thesaurus/synonyms>.
MLASmart Define. "fateful thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/fateful/thesaurus/synonyms>