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

Businesses have insatiable demand for AI acceleration, and boards and CEOs are pushing aggressively for productivity improvements tied to these new capabilities. — Drew Naukam, Forbes.com, 1 Oct. 2026

Radiation, heat and space traffic Google is just one of several companies that have proposed sending data centers to space as the race to produce ever more sophisticated machine learning has created an insatiable demand for computing power. — Jackie Wattles, CNN Money, 1 Oct. 2026

Shaffer’s reimagining of the eccentric genius of Wolfgang Amadeus Mozart and the insatiable envy of Antonio Salieri was influenced by Alexander Pushkin’s 1830 drama about the two composers. — Doni Wilson, Houston Chronicle, 30 Sep. 2026

If the act is a cruel and unjust law, stealing from working Americans in order to feed the insatiable greed of the billionaire class, what can can average Americans do about it? — Dr. Michael Good, Hartford Courant, 28 Sep. 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