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

Their insatiable demand has caused shortages in consumer electronics, forcing Apple and other device makers to hike prices. — Jason Ma, Fortune, 5 July 2026

Celia's insatiable demand for knowledge and ability knows zero limits. — Angela Andaloro, PEOPLE, 3 July 2026

Here developed the center of the Atlantic economy due to the insatiable appetite for sugar that had grown across Europe by the late 1700s. — R. Grant Gilmore Iii, The Conversation, 30 June 2026

And 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. — Phaedra Trethan, USA Today, 29 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