12
unquenchable(adjective, desirous, avid, greedy, syrupy)
7
insatiable(adjective, desirous, avid, greedy, syrupy)
5
inextinguishable
5
unappeasable(adjective, avid, greedy, wanting, rapacious)
4
insatiate(adjective, desirous, avid, greedy, syrupy)
4
ravenous(adjective, avid, greedy, greed, wanting)
4
voracious(adjective, avid, greedy, greed, wanting)
3
omnivorous
3
swinish(adjective, desirous, syrupy, wishful, go-go)
2
avid(adjective, greedy, voracious)
2
limitless(adjective, avid, greedy, voracious)
2
rapacious(adjective, avid, greedy, wanting, voracious)
2
sordid
2
unsatisfiable(adjective, desirous, avid, greedy, syrupy)
2
unsatisfied(adjective, avid, greedy, wanting, rapacious)
2
yearning(adjective, desirous, avid, greedy, syrupy)
1
acquisitive
1
avaricious
1
bottomless
1
deathless
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APASmart Define. (2015). quenchless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/quenchless/thesaurus/synonyms
ChicagoSmart Define. 2015. "quenchless thesaurus" https://smartdefine.org/quenchless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, quenchless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/quenchless/thesaurus/synonyms>.
MLASmart Define. "quenchless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/quenchless/thesaurus/synonyms>