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

• inappeasable
• inextinguishable
• insatiate
• quenchless
• unappeasable
• unquenchable
• unslakable

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

Without it, little remained but his malice, his pettiness, and his insatiable appetite for revenge. —Jill Lepore, New Yorker, 28 Apr. 2025

In its last scene, Joe laments over his insatiable loneliness while locked within a new kind of cage: his jail cell. —EW.com, 24 Apr. 2025

This week, the band sees a decades-old title not only return, but surge to new highs, thanks to Record Store Day and an insatiable appetite for the group’s work. —Hugh McIntyre, Forbes.com, 23 Apr. 2025

Since then, an insatiable fascination with Titanic's wreck has driven researchers to dive to the bottom of the sea to photograph and explore the ship's remains. —Terry Collins, USA Today, 14 Apr. 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