- not satiable; incapable of being satisfied or appeased: insatiable hunger for knowledge.
- not able to be satisfied or satiated; greedy or unappeasable
1650s, from Late Latin insatiabilitas, from insatiabilis (see insatiable).
early 15c., insaciable, from Old French insaciable (13c.), or directly from Late Latin insatiabilis “not to be satisfied,” from in- “not, opposite of” (see in- (1)) + satiabilis, from satiare (see satiate). Related: Insatiably.