51 entries under substantial topic. ×

1
solid gold(expression, big, important, significant)
1
something(big, important, significant, large)
1
something else(expression, big, important, significant)
1
super(adjective, good, great, excellent, perfect)
1
to the max(expression, idiom, big, important)
1
unreal(adjective, good, great, excellent, perfect)
1
venerable(big, important, significant, large)
1
weighty(big, important, significant, large)
0
abundant(significant, large)
0
ample(significant, large)
0
appreciable(significant, large)
0
bountiful(significant, large)
0
comfortable(significant, large)
0
commodious(significant, large)
0
considerable(significant, large, striking, stupendous)
0
extensive(significant, large)
0
goodly(significant, large)
0
hefty(significant, large)
0
large-scale(significant, large)
0
lavish(significant, large)
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APASmart Define. (2015). super-duper thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/super-duper/thesaurus/synonyms
ChicagoSmart Define. 2015. "super-duper thesaurus" https://smartdefine.org/super-duper/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, super-duper thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/super-duper/thesaurus/synonyms>.
MLASmart Define. "super-duper thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/super-duper/thesaurus/synonyms>