INSATIATE

insatiate, insatiable, unsatiable

(adjective) impossible to satisfy; “an insatiate appetite”; “an insatiable demand for old buildings to restore”; “his passion for work was unsatiable”

Source: WordNet® 3.1

Etymology

Adjective

insatiate (comparative more insatiate, superlative most insatiate)

(archaic or literary) That is not satiated; insatiable.

Antonyms: satiable, satisfiable

Source: Wiktionary

In*sa"ti*ate, a. Etym: [L. insatiatus.]

Definition: Insatiable; as, insatiate thirst. The insatiate greediness of his desires. Shak. And still insatiate, thirsting still for blood. Hook.

Source: Webster’s Unabridged Dictionary 1913 Edition