50 entries under mass topic. ×

8
heft(noun, burden, substance, weight)
5
weightiness(noun, state, quality, heavy)
4
bulkiness(noun, weight, size, fat)
2
fatness(noun, weight, fat, heaviness)
2
gravity(burden, substance, heaviness, bulk)
2
net(burden, substance, heaviness, bulk)
2
poundage(burden, substance, heaviness, bulk)
2
tonnage(burden, substance, heaviness, bulk)
1
adiposity(burden, weight, size, fat)
1
bulk(weight, fat, heaviness, solidity)
1
density(noun, burden, substance, heaviness)
0
G-factor(burden, substance, heaviness, bulk)
0
access(heaviness, bulk)
0
authority(heaviness, bulk)
0
ballast(burden, substance, heaviness, bulk)
0
burden(substance, heaviness, bulk)
0
clout(heaviness, bulk)
0
connection(heaviness, bulk)
0
consequence(heaviness, bulk)
0
consideration(heaviness, bulk)
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APASmart Define. (2015). heftiness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heftiness/thesaurus/synonyms
ChicagoSmart Define. 2015. "heftiness thesaurus" https://smartdefine.org/heftiness/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, heftiness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heftiness/thesaurus/synonyms>.
MLASmart Define. "heftiness thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/heftiness/thesaurus/synonyms>