92 entries under large topic. ×

7
principal(adjective, good, bad, great, excellent)
7
relevant(adjective, clear, importance, big, significant)
7
urgent(adjective, clear, tough, severe, big)
5
distinguished(adjective, bad, great, excellent, extraordinary)
5
heavy(adjective, great, tough, severe, big)
5
pressing(adjective, tough, severe, big, heavy)
5
primary(adjective, superior, big, unusual, important)
4
heavyweight(adjective, big, heavy, important, outstanding)
4
salient(adjective, solid, extraordinary, importance, big)
3
bountiful(adjective, significant, substantial)
3
imperative(adjective, big, important, determined, significant)
3
strong(energetic, important, powerful, significant)
2
conspicuous(adjective, great, solid, extraordinary, big)
2
exceptional(adjective, bad, great, excellent, solid)
2
extraordinary(adjective, great, solid, superior, unusual)
2
major-league(strong, important, powerful, significant)
2
marked(adjective, great, solid, extraordinary, superior)
2
much(significant, substantial)
2
paramount(adjective, good, big, important, significant)
2
standout(adjective, bad, great, excellent, extraordinary)
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APASmart Define. (2016). momentous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/momentous/thesaurus/synonyms
ChicagoSmart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, momentous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>.
MLASmart Define. "momentous thesaurus" 1 April 2016. Web. 1 October 2026. <https://smartdefine.org/momentous/thesaurus/synonyms>