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

119 entries under substantial topic. ×

1
doozie(big, important, significant, large)
1
dynamite(big, important, significant, large)
1
fab(big, important, significant, large)
1
far-reaching(severe, big, important, significant)
1
front-page(big, significant, valuable, vital)
1
germane(important, serious, applicable, pertinent)
1
goodly(significant, large, considerable)
1
marked(solid, extraordinary, unusual, powerful, significant)
1
mattering much(expression, big, significant, valuable)
1
mondo(big, important, significant, large)
1
noticeable(solid, extraordinary, unusual, wonderful, significant)
1
of moment(expression, big, important, significant)
1
of note(expression, idiom, importance, big, significant)
1
of substance(expression, big, significant, valuable)
1
plentiful(significant, large, considerable)
1
pointful(important, significant, serious, consistent)
1
ponderable
1
primary(big, important, significant, serious)
1
solid gold(expression, big, important, significant)
1
something(big, important, significant, large)
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ChicagoSmart Define. 2015. "weighty thesaurus" https://smartdefine.org/weighty/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, weighty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/weighty/thesaurus/synonyms>.
MLASmart Define. "weighty thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/weighty/thesaurus/synonyms>