100 entries under substantial topic. ×

13
huge(adjective, great, big, heavy, awkward)
13
rich(adjective, fancy, heavy, large)
12
considerable(adjective, great, fair, big, full)
12
good(adjective, great, reasonable, fair, enthusiastic)
11
bulky(adjective, great, big, heavy, awkward)
10
comprehensive(adjective, open, great, complete, top)
9
goodly(adjective, great, reasonable, big)
9
massive(adjective, great, big, heavy)
8
affluent(adjective, heavy, rich, large)
8
commodious(adjective, big, large, sufficient)
8
tidy(adjective, great, reasonable, big)
7
hefty(adjective, great, big, heavy, awkward)
7
luxuriant(adjective, heavy, rich, large)
7
overflowing(adjective, heavy, rich, large)
7
unsparing(adjective, generous, lavish, abundant)
6
comfortable(adjective, reasonable, solid, full, significant)
6
fat(adjective, great, big, heavy, awkward)
6
much(adjective, significant, large, plenty)
6
princely(adjective, large, grand, generous)
5
galore(adjective, heavy, large, generous)
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APASmart Define. (2016). ample thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ample/thesaurus/synonyms
ChicagoSmart Define. 2016. "ample thesaurus" https://smartdefine.org/ample/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ample thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ample/thesaurus/synonyms>.
MLASmart Define. "ample thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/ample/thesaurus/synonyms>