Insatiable

прилагательное ненасытный; жадный, алчный

Большой англо-русский словарь

Insatiable

adjective Etymology: Middle English insaciable, from Anglo-French, from Latin insatiabilis, from in- + satiare to satisfy — more at satiate incapable of being satisfied; quenchless Example: had an insatiable desire for wealthinsatiability nouninsatiableness nouninsatiably adverb

Энциклопедический словарь Мерриама-Вебстера