61 entries under imperative topic. ×

6
main(adjective, good, bad, great, excellent)
5
heavy(adjective, great, tough, severe, big)
5
pressing(adjective, tough, severe, big, heavy)
5
primary(adjective, superior, big, unusual, important)
4
salient(adjective, solid, extraordinary, importance, big)
3
large(adjective, big, significant, substantial, valuable)
2
compelling(adjective, clear, important, significant, serious)
2
conspicuous(adjective, great, solid, extraordinary, big)
2
exceptional(adjective, bad, great, excellent, solid)
2
fundamental(adjective, important, significant, substantial, serious)
2
marked(adjective, great, solid, extraordinary, superior)
2
paramount(adjective, good, big, important, significant)
2
standout(adjective, bad, great, excellent, extraordinary)
2
valuable(adjective, big, significant, substantial, large)
1
all-important(adjective, significant, serious, essential, critical)
1
central(significant, critical, vital, decisive)
1
de rigueur(expression, adjective, significant, essential, basic)
1
determining(big, significant, substantial, valuable, vital)
1
exigent(adjective, big, heavy, significant, substantial)
1
expedient(adjective, significant, essential, basic, vital)
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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>