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

Ultimately, Amazon’s business relies upon our collective, insatiable desire for an endless selection of products, delivered immediately. —Jason Del Rey, Fortune, 25 Nov. 2025

The funding round is yet another sign of the insatiable demand for AI tools. —Samantha Subin, CNBC, 25 Nov. 2025

His Ulysses is an adventurer with an insatiable appetite for knowledge and experience. —Claudia Roth Pierpont, New Yorker, 24 Nov. 2025

No matter Northerners’ willingness to compromise to preserve the Union, the insatiable demands of Southern slavery meant the Union could survive no more. —Time, 17 Nov. 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