adj. 25B6; adjective UNQUENCHABLE, unappeasable, uncontrollable; voracious, gluttonous, greedy, hungry, ravenous, wolfish; avid, eager, keen; informal piggy; poetic/literary insatiate.
INSATIABLE
Meaning of INSATIABLE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012