142 entries under important topic. ×

1
harmonious(significant, consistent, applicable, germane)
1
having direct bearing on(expression, significant, consistent, related)
1
having to do with(expression, significant, consistent, related)
1
life and death(expression, adjective, idiom, heavy)
1
major-league(strong, great, powerful, large)
1
mondo(big, significant, substantial, large)
1
of moment(expression, big, significant, substantial)
1
paramount(strong, energetic, significant, essential)
1
pat(significant, consistent, related, applicable)
1
pertaining to(expression, significant, consistent, related)
1
pointful(significant, substantial, serious, consistent)
1
primary(big, significant, substantial, serious)
1
referring(significant, consistent, related, applicable)
1
related(significant, applicable, germane, pertinent)
1
relative(significant, consistent, related, applicable)
1
solid gold(expression, big, significant, substantial)
1
something(big, significant, substantial, large)
1
something else(expression, big, significant, substantial)
1
stable(adjective, strong, firm, solid)
1
steady(adjective, severe, honest, significant)
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APASmart Define. (2015). weighty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/weighty/thesaurus/synonyms
ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>