162 entries under substantial topic. ×

5
unstinting(adjective, heavy, rich, generous)
4
astronomical
4
consequential(adjective, strong, solid, big, important)
4
excessive(adjective, great, big, heavy, awkward)
4
profuse(adjective, great, big, generous)
4
respectable(adjective, pleasant, fair, agreeable)
3
appreciable(adjective, significant, abundant, considerable)
3
chief(adjective, big, significant, valuable)
3
galore(adjective, great, heavy, rich)
3
material(adjective, big, important, significant)
3
measurable(adjective, significant, definite, size)
3
salient(adjective, big, significant, valuable)
2
bull(adjective, great, heavy, full)
2
decent(adjective, pleasant, fair, agreeable, suitable)
2
gracious(noble, grand, generous, splendid)
2
influential(adjective, strong, important, powerful, significant)
2
luxuriant(adjective, heavy, rich, generous)
2
meaningful(adjective, strong, big, important, significant)
2
momentous(adjective, big, significant, valuable)
2
noticeable(adjective, significant, considerable)
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APASmart Define. (2016). large thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/large/thesaurus/synonyms
ChicagoSmart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, large thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>.
MLASmart Define. "large thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/large/thesaurus/synonyms>