66 entries under substantial topic. ×

2
abundant(adjective, great, big, significant)
2
bountiful(significant, large)
2
consequential(adjective, significant, large, considerable)
2
material(adjective, significant, large, considerable)
2
presentable(adjective, decent, acceptable, neat)
1
capacious(great, big, generous, huge)
1
comprehensive(great, big, generous, huge)
1
fairly good(expression, adjective, reasonable, decent)
1
massive(great, big, significant, large)
1
meaningful(significant, large, considerable)
1
momentous(significant, large, considerable)
1
noticeable(adjective, significant, large)
1
plentiful(great, big, significant, large)
1
reasonable(significant, large, adequate)
1
sensible(reasonable, generous, adequate, good-sized)
1
spacious(great, big, generous, huge)
1
voluminous(great, big, generous, huge)
1
weighty(significant, large, considerable)
0
astronomical(significant, large)
0
comfortable(significant, large, generous, good-sized)
10 years ago|27k views|share |citing 
APASmart Define. (2015). tidy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tidy/thesaurus/synonyms
ChicagoSmart Define. 2015. "tidy thesaurus" https://smartdefine.org/tidy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, tidy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tidy/thesaurus/synonyms>.
MLASmart Define. "tidy thesaurus" 11 November 2015. Web. 25 September 2026. <https://smartdefine.org/tidy/thesaurus/synonyms>