123 entries under important topic. ×

6
main(adjective, good, bad, great, excellent)
5
distinguished(adjective, bad, great, excellent, extraordinary)
5
eminent(adjective, good, bad, great, excellent)
5
heavy(adjective, great, tough, severe, big)
5
necessary(adjective, substantial, valuable, essential)
5
pressing(adjective, tough, severe, big, heavy)
5
primary(adjective, superior, big, unusual)
4
epochal(adjective, significant, historic)
4
heavyweight(adjective, big, heavy, outstanding)
4
prime(adjective, good, intense, significant)
4
salient(adjective, solid, extraordinary, importance, big)
4
severe(adjective, tough, big, heavy)
4
telling(adjective, clear, strong, powerful)
4
world-shaking
3
big-name
3
celebrated(adjective, bad, great, excellent, extraordinary)
3
earth-shaking(adjective, significant, historic)
3
high-powered
3
imperative(adjective, big, determined, significant)
3
striking(adjective, great, solid, extraordinary, unusual)
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APASmart Define. (2016). momentous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/momentous/thesaurus/synonyms
ChicagoSmart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, momentous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>.
MLASmart Define. "momentous thesaurus" 1 April 2016. Web. 30 September 2026. <https://smartdefine.org/momentous/thesaurus/synonyms>