insatiable

Impossible to satiate or satisfy.

Not satiable; incapable of being satisfied or appeased; inordinately greedy: as, insatiable desire; insatiable thirst.

Synonyms Unappeasable, unquenchable, voracious.

Not satiable; incapable of being satisfied or appeased; very greedy.

Not satiable; incapable of being satisfied or appeased; very greedy; as, an insatiable appetite, thirst, or desire.

impossible to satisfy