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 of insatiable

• 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

Celia's insatiable demand for knowledge and ability knows zero limits. — Angela Andaloro, PEOPLE, 3 July 2026

Yet the illusion has quickly faded, revealing an appetite for the biggest stage that remains fiercely insatiable. — Sukhman Singh, New York Times, 29 June 2026

Their insatiable demand has caused shortages in consumer electronics, forcing Apple and other device makers to hike prices. — Jason Ma, Fortune, 5 July 2026

The memory-chip maker’s shares have soared about 270% this year amid insatiable demand from data-center developers. — Bloomberg, Mercury News, 24 June 2026

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