1
immortal
1
incontestable
1
ineffaceable
1
ineradicable
1
inexpugnable
1
insuppressible(adjective, wild, vivacious, buoyant, effervescent)
1
invulnerable
1
mercenary
1
miserly
1
money-hungry
1
money-mad
1
never full(expression, adjective, gross, greedy, piggish)
1
nonperishable
1
openmouthed
1
overeager
1
overgreedy
1
overpowering
1
overwhelming
1
piggy(adjective, empty, gross, avid, greedy)
1
prodigious(adjective, empty, gross, avid, greedy)
10 years ago|2.7k views|share |citing 
APASmart Define. (2015). unquenchable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unquenchable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unquenchable thesaurus" https://smartdefine.org/unquenchable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unquenchable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unquenchable/thesaurus/synonyms>.
MLASmart Define. "unquenchable thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/unquenchable/thesaurus/synonyms>