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

The rising costs of electricity and the insatiable demand for power will require new plants and technologies, as well as the easing of rules such as permitting reform, Exelon CEO Calvin Butler said Thursday. —Pradnya Joshi, semafor.com, 16 Apr. 2026

That, for Real Madrid and its insatiable fanbase, is just unacceptable. —Ben Church, CNN Money, 16 Apr. 2026

The explosive growth of artificial intelligence has created an insatiable demand for memory, with hyperscalers funneling billions into AI infrastructure. —Morgan Chittum, CNBC, 10 Apr. 2026

What starts as a spectral curiosity becomes a terrifying and growing presence with an insatiable hunger that begins to consume her life. —Christian Zilko, IndieWire, 9 Apr. 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