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

Owner of a stationary shop that sold cigarette papers in the town of Trossingen, Fritz Kiehn had long recognized his fellow citizens’ insatiable demand for rolling papers. —Robert M. Ehrenreich, JSTOR Daily, 24 Sep. 2025

The film follows Farrell as Lord Doyle, a British aristocrat with an insatiable appetite for gambling. —Lily Ford, HollywoodReporter, 24 Sep. 2025

This insatiable appetite has spurred a global race among researchers to develop hollow-core fiber—because light travels faster through air than glass. —IEEE Spectrum, 20 Sep. 2025

The analysts cited an almost insatiable demand for AI infrastructure. —Jim Cramer, CNBC, 15 Sep. 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