[in-sey-shuh-buhl, -shee-uh-]


not satiable; incapable of being satisfied or appeased: insatiable hunger for knowledge.

Origin of insatiable

1400–50; late Middle English insaciable < Latin insatiābilis; see in-3, satiable
Related formsin·sa·tia·bil·i·ty, in·sa·tia·ble·ness, nounin·sa·tia·bly, adverb

Synonyms for insatiable Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for insatiability

rapacity, esurience, insatiableness

Examples from the Web for insatiability

Contemporary Examples of insatiability

  • But the prevailing emotion that day, even among us awardees, was a bemused sense of boredom, restlessness and insatiability.

    The Daily Beast logo
    The Medal of Honor Disgrace

    Brian Van Reet

    March 26, 2014

Historical Examples of insatiability

British Dictionary definitions for insatiability


insatiate (ɪnˈseɪʃɪɪt)


not able to be satisfied or satiated; greedy or unappeasable
Derived Formsinsatiability, insatiableness or insatiateness, nouninsatiably or insatiately, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for insatiability

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.

Online Etymology Dictionary, © 2010 Douglas Harper