adj. Impossible to satiate or satisfy: an insatiable appetite; an insatiable hunger for knowledge. [Middle English insaciable, from Old French, from Latin īnsatiābilis : in-, not; see IN-1 + satiāre, to fill; see SATIATE.] in·sa′tia·bili·ty, in·satia·ble·ness n. in·satia·bly adv. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.