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

For every news story about human kindness, there are 10 that prey upon our fears or serve to quench some insatiable thirst for scandal. —Craig MacLellan, Boston Herald, 3 Apr. 2026

That said, the associated drawbacks include a penchant for expressing your inner monologues as very public arguments, and an insatiable urge to eat heads. —Richard Edwards, Space.com, 2 Apr. 2026

Despite huge plans, seemingly insatiable demand and low vacancy rates, the total capacity of data centers under construction declined last year for the first time in five years, according to CBRE. —Los Angeles Times, 2 Apr. 2026

But Kris inadvertently sparked an idea that bloomed into an insatiable urge. —Danielle Parker, CBS News, 2 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