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

In every era a certain kind of unprincipled demagogue driven by an insatiable need for attention and a sense of what will capture the public’s imagination rises to the fore. —Mark Lilla, The New York Review of Books, 5 Mar. 2026

The demand for compute is seemingly insatiable. —CNBC, 26 Feb. 2026

This fuels an insatiable anger and bloodlust in Baldur, who favors a brawling fighting style that blends his immense power with the raw impact of his fists. —James Hibberd, HollywoodReporter, 24 Feb. 2026

Gail Sheehy discovers that a sense of shame, a family rivalry, and an insatiable need for legitimacy have forged his character and drive. —Gail Sheehy, Vanity Fair, 20 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