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

• inappeasable
• inextinguishable
• insatiate
• quenchless
• unappeasable
• unquenchable
• unslakable

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

At the heart of this transformation lies the exponential growth of artificial intelligence (AI) and its insatiable appetite for electricity. —Robert Rapier, Forbes.com, 26 Mar. 2025

Imports have become a cheap solution for insatiable appetites. —Alana Al-Hatlani, Southern Living, 24 Mar. 2025

Oakland voters should not let themselves be fooled again by city leaders’ insatiable appetite for new taxes. —East Bay Times Editorial, The Mercury News, 21 Mar. 2025

The problem facing the NCAA was that, at the very same time its representatives denigrated gambling, the popularity of one of its most profitable products had begun to hinge on Americans’ insatiable appetite for betting. — Made By History, TIME, 20 Mar. 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