Synonyms|460Antonyms|8|Broader|12Narrower|0Related|70

37 entries under significant topic. ×

1
stout(adjective, big, heavy, substantial)
1
strong(adjective, large, considerable)
1
sturdy(adjective, large, considerable)
1
vast(large, huge, considerable, gigantic)
1
well-built(adjective, large, considerable)
0
big-deal(large, considerable)
0
firm(adjective, large, considerable)
0
goodly(large, considerable)
0
plentiful(large, considerable)
0
solid(adjective, large, considerable)
0
sound(adjective, large, considerable)
0
stable(adjective, large, considerable)
0
steady(adjective, large, considerable)
0
superabundant(large, considerable)
0
tidy(large, considerable)
0
valuable(large, considerable)
0
worthwhile(large, considerable)
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APASmart Define. (2016). heavyweight thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heavyweight/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavyweight thesaurus" https://smartdefine.org/heavyweight/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, heavyweight thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heavyweight/thesaurus/synonyms>.
MLASmart Define. "heavyweight thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/heavyweight/thesaurus/synonyms>