64 entries under substantial topic. ×

3
momentous(adjective, significant, large)
2
considerable(significant, large, generous)
2
fat(significant, large)
2
goodly(significant, large)
2
huge(adjective, significant, large)
2
much(significant, large)
2
significant(adjective, large)
2
tidy(significant, large)
1
comfortable(adjective, full, significant, large)
1
extensive(adjective, great, heavy, significant)
1
reasonable(adjective, good, kind, fair, significant)
0
appreciable(significant, large, abundant, copious)
0
astronomical(significant, large)
0
commodious(great, significant, large, sufficient)
0
consequential(significant, large)
0
distinguished(significant, large)
0
doozie(significant, large)
0
dynamite(significant, large)
0
essential(significant, large)
0
fab(significant, large)
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APASmart Define. (2015). bountiful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bountiful/thesaurus/synonyms
ChicagoSmart Define. 2015. "bountiful thesaurus" https://smartdefine.org/bountiful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, bountiful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bountiful/thesaurus/synonyms>.
MLASmart Define. "bountiful thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/bountiful/thesaurus/synonyms>