insatiable

adjective

in·​sa·​tia·​ble (ˌ)in-ˈsā-shə-bəl 

: incapable of being satisfied : quenchless

had an insatiable desire for wealth

insatiability

(ˌ)in-ˌsā-shə-ˈbi-lə-tē 

noun

insatiableness

(ˌ)in-ˈsā-shə-bəl-nəs 

noun

insatiably

(ˌ)in-ˈsā-shə-blē 

adverb

Synonyms

• unquenchable
• urgent
• avid
• insatiate

Examples of insatiable in a Sentence

Her desire for knowledge was insatiable.

an insatiable need for the approval of others

Recent Examples on the Web

In Ovid’s version of the story, after cutting down a sacred oak, Erysichthon is cursed with insatiable hunger by the dryad nymph who inhabited it. —Ellen Walker, JSTOR Daily, 3 Sep. 2025

My dad was the superintendent of schools in that town at the time, and the media's appetite for the gruesome details was insatiable. —Lee Habeeb, MSNBC Newsweek, 29 Aug. 2025

Fueled by rage and an insatiable desire for freedom, Isaac persuades Charles to keep the plantation. —Ed Meza, Variety, 28 Aug. 2025

Empire and The Foundation must merge their resources and forces with the aid of the ancient android Demerzel to have any chance of vanquishing The Mule and thwarting his insatiable appetite to rule the universe by any means necessary. —Jeff Spry, Space.com, 28 Aug. 2025

Word History

Etymology

Middle English insaciable, from Anglo-French, from Latin insatiabilis, from in- + satiare to satisfy — more at satiate

First Known Use

15th century, in the meaning defined above

Kids Definition

insatiable

adjective

in·​sa·​tia·​ble (ˈ)in-ˈsā-shə-bəl 

: impossible to satisfy

insatiable thirst

an insatiable desire for knowledge

insatiably

-blē 

adverb