120 entries under substantial topic. ×

0
astronomical(significant, large)
0
big deal(expression, big, heavy)
0
bountiful(significant, large)
0
comfortable(significant, large, generous, good-sized)
0
consolidated(adjective, strong, hard, compact)
0
critical(big, heavy)
0
crucial(big, heavy)
0
distinguished(significant, large)
0
doozie(significant, large)
0
dynamite(significant, large)
0
earnest(big, heavy)
0
essential(significant, large)
0
fab(significant, large)
0
influential(significant, large)
0
lavish(significant, large)
0
life and death(expression, idiom, big, heavy)
0
marked(significant, large)
0
meaningful(big, heavy, significant, large)
0
momentous(big, heavy, significant, large)
0
much(significant, large)
11 years ago|21k views|share |citing 
APASmart Define. (2015). hefty thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/hefty/thesaurus/synonyms
ChicagoSmart Define. 2015. "hefty thesaurus" https://smartdefine.org/hefty/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, hefty thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/hefty/thesaurus/synonyms>.
MLASmart Define. "hefty thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/hefty/thesaurus/synonyms>