adjective
- not satiable; incapable of being satisfied or appeased: insatiable hunger for knowledge.
adjective
- not able to be satisfied or satiated; greedy or unappeasable
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.