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Synonyms
inextinguishable, insatiable, insatiate, quenchless, unappeasable, unquenchable, unslakable
Antonyms
appeasable, extinguishable, satiable, satisfiable
1803, in the meaning defined above
More from Merriam-Webster on inappeasable
Rhyming Dictionary: Words that rhyme with inappeasable
Thesaurus: All synonyms and antonyms for inappeasable
See Definitions and Examples
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