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

To watch any one of Wiseman’s films is to fall under the spell of a master who used the medium to make the viewer a more empathetic and enlightened person, supplying the pleasure of watching human nature through the perceptive eye of a humorous, unpretentious man with insatiable curiosity. —Chris O'Falt, IndieWire, 16 Feb. 2026

The energy appetite is insatiable. —Mary Ellen Klas, Twin Cities, 15 Feb. 2026

In an age when an audience’s demand for access is insatiable, should any athlete expect privacy? —Sarah Shephard, New York Times, 11 Feb. 2026

All of that advancement requires hefty amounts of compute, which the cloud providers say is creating insatiable demand for their technology. —Jennifer Elias, CNBC, 6 Feb. 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