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

176 entries under significant topic. ×

2
sturdy(adjective, strong, energetic, large)
2
valuable(adjective, big, substantial, large)
2
worthwhile(adjective, strong, solid, big, important)
1
abundant(substantial, large, considerable)
1
accordant(important, consistent, applicable, germane)
1
acute(adjective, severe, sharp, harsh, heavy)
1
ad rem(expression, important, substantial, serious)
1
allowable(important, consistent, related, applicable)
1
applicatory(important, consistent, related, applicable)
1
appurtenant(important, consistent, applicable, germane)
1
arresting(solid, extraordinary, unusual, wonderful, outstanding)
1
arrestive(solid, extraordinary, unusual, wonderful, exceptional)
1
becoming(important, consistent, applicable, germane)
1
cognate(important, related, applicable, germane)
1
compatible(important, consistent, applicable, germane)
1
concerning(important, consistent, related, applicable)
1
conformant(important, consistent, related, applicable)
1
conforming(important, consistent, applicable, germane)
1
congruent(important, consistent, applicable, germane)
1
congruous(important, consistent, applicable, germane)
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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>