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

As America celebrates its 250th anniversary, the border's journey to its current location is the story of the birth of a nation that swallowed up Native American tribes, Spanish descendants and Mexican citizens in its insatiable hunger to grow. — Lauren Villagran, USA Today, 28 June 2026

The rush was insatiable; Rodriguez began cold-calling, door-knocking, and attending industry events to build more momentum. — Emma Burleigh, Fortune, 28 June 2026

This insatiable appetite frequently leads to leaks of sensitive personal records, malicious code injection and intrusive user profiling. — Erin Mote, Forbes.com, 26 June 2026

The memory-chip maker’s shares have soared about 270% this year amid insatiable demand from data-center developers. — Bloomberg, Mercury News, 24 June 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