94 entries under substantial topic. ×

1
consequential(significant, large, considerable)
1
fat(adjective, great, big, full, significant)
1
lavish(significant, large, generous)
1
liberal(great, big, generous, huge)
1
material(significant, definite, large, considerable)
1
meaningful(significant, large, considerable)
1
momentous(significant, large, considerable)
1
mondo(significant, large)
1
noticeable(adjective, significant, large, considerable)
0
apparent(significant, definite, considerable)
0
ascertainable(significant, definite, considerable)
0
bounteous
0
bountiful(significant, large, generous)
0
clear-cut(significant, definite, considerable)
0
definite(significant, considerable)
0
detectable(significant, considerable)
0
discernible(significant, definite, considerable)
0
distinguishable(significant, considerable)
0
distinguished(significant, large)
0
doozie(significant, large)
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APASmart Define. (2016). sizable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sizable/thesaurus/synonyms
ChicagoSmart Define. 2016. "sizable thesaurus" https://smartdefine.org/sizable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sizable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sizable/thesaurus/synonyms>.
MLASmart Define. "sizable thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/sizable/thesaurus/synonyms>