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

Investors can thank a resilient consumer, strong corporate earnings, a couple of Fed interest rate cuts, and, of course, the insatiable artificial intelligence trade. —Jeff Marks, CNBC, 4 Dec. 2025

Three years after their auspicious debut, the young Chicago rock trio’s new album features this insatiable lead single — a quick, crunchy guitar track that’s been putting me in a trance for months. —Craig Jenkins, Vulture, 2 Dec. 2025

An insatiable reader, Stoppard died at his home in Dorset, England. —Ben Travers, IndieWire, 29 Nov. 2025

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

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