Synonyms|1kAntonyms|247|Broader|9Narrower|1Related|1.2k

176 entries under significant topic. ×

1
consonant(important, consistent, applicable, germane)
1
correlated(important, consistent, related, applicable)
1
correspondent(important, consistent, applicable, germane)
1
determining(big, substantial, valuable, vital)
1
doozie(big, important, substantial, large)
1
dynamite(big, important, substantial, large)
1
earth-shaking(adjective, important, historic)
1
earth-shattering(important, historic)
1
esteemed(vital, imperative)
1
extraordinary(adjective, solid, unusual, wonderful, exceptional)
1
fab(big, important, substantial, large)
1
far-reaching(severe, big, important, substantial)
1
firm(adjective, strong, harsh, solid, important)
1
foremost(important, essential, vital, earnest)
1
front-page(big, substantial, valuable, vital)
1
goodly(substantial, large, considerable)
1
harmonious(important, consistent, applicable, germane)
1
having direct bearing on(expression, important, consistent, related)
1
having to do with(expression, important, consistent, related)
1
hazardous(adjective, heavy, serious, vital)
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HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>