Synonyms|71Antonyms|2|Broader|0Narrower|0Related|3

51 entries under substantial topic. ×

1
ample(significant, large)
1
big(adjective, great, important, significant)
1
commodious(significant, large)
1
consequential(big, important, significant, large)
1
considerable(significant, large, striking, stupendous)
1
distinguished(big, important, significant, large)
1
doozie(big, important, significant, large)
1
dynamite(big, important, significant, large)
1
essential(big, important, significant, large)
1
extensive(significant, large, vast, massive)
1
fab(big, important, significant, large)
1
fat(big, important, significant, large)
1
great(adjective, significant, large, fat)
1
hefty(significant, large)
1
huge(adjective, great, significant, large)
1
influential(big, important, significant, large)
1
large(great, significant, fabulous, incredible)
1
large-scale(adjective, big, significant, large)
1
material(big, important, significant, large)
1
meaningful(big, important, significant, large)
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APASmart Define. (2011). mondo thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/mondo/thesaurus/synonyms
ChicagoSmart Define. 2011. "mondo thesaurus" https://smartdefine.org/mondo/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2011, mondo thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/mondo/thesaurus/synonyms>.
MLASmart Define. "mondo thesaurus" 24 May 2011. Web. 25 September 2026. <https://smartdefine.org/mondo/thesaurus/synonyms>