Insatiable

a.

1.

Not satiable; incapable of being satisfied or appeased; very greedy; as, an insatiable appetite, thirst, or desire. "Insatiable of glory." - Milton.

Adj.

1.

insatiable - impossible to satiate or satisfy; "an insatiable appetite"; "an insatiable hunger for knowledge" Synonyms: insatiate, unsatiable

Apician, a hog for, acquisitive, all-devouring, avaricious, avid, bolting, bottomless, clamorous, coveting, covetous, cramming, crapulent, crapulous, crying, demanding, devouring, edacious, esurient, exigent, glutting, gluttonizing, gluttonous, gobbling, gorging, grabby, grasping, greedy, gulping, guttling, guzzling, hoggish, hyperphagic, importunate, insatiate, insistent, intemperate, limitless, mercenary, miserly, money-hungry, money-mad, omnivorous, overgreedy, piggish, polyphagic, pressing, quenchless, rapacious, ravening, ravenous, slakeless, sordid, stuffing, swinish, unappeasable, unappeased, unquenchable, unsated, unsatisfiable, unsatisfied, unslakeable, unslaked, urgent, venal, voracious, wolfing, yearning