insatiable
adj.
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.
〔李〕[in-;sat;-iablea.] a.不知足的； 贪的 ←sat,satur,satis (L satur,satis)=enough 足够的
〔蒋〕[in-不，sat，satis，satur足，满，饱] 不能满足的，贪得无厌的