Synonyms|439Antonyms|45|Broader|7Narrower|2Related|104

61 entries under important topic. ×

2
big(significant, historic)
2
consequential(adjective, lively, significant, exciting)
2
considerable(significant, historic, super-duper, mind-bending)
2
critical(adjective, lively, outstanding, significant)
2
crucial(adjective, lively, outstanding, significant)
2
decisive(adjective, lively, outstanding, significant)
2
fateful(lively, significant, exciting, busy)
2
heavy(adjective, informal, unusual, famous)
2
material(importance, significant, historic)
2
meaningful(adjective, bright, intense, unusual)
2
mind-blowing(adjective, informal, extraordinary, unusual)
2
nameable(adjective, great, unusual, famous)
2
serious(adjective, great, unusual, famous)
1
boss(adjective, unusual, wonderful, exceptional)
1
chips are down(expression, idiom, significant, historic)
1
cool(adjective, extraordinary, unusual, wonderful)
1
earth-shattering(significant, historic)
1
epochal(significant, historic)
1
evident(adjective, great, extraordinary, unusual)
1
far-reaching(significant, historic)
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ChicagoSmart Define. 2016. "memorable thesaurus" https://smartdefine.org/memorable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, memorable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/memorable/thesaurus/synonyms>.
MLASmart Define. "memorable thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/memorable/thesaurus/synonyms>