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

The zaobanchu during Qianlong’s reign comprised nearly one thousand artisans, who worked out of fear to serve the demands of the insatiable emperor who would sometimes dole out severe punishments, like taking away a year’s salary. — Stephy Chung, CNN Money, 21 Aug. 2026

Add to the mix what seems to be an insatiable demand for debt by tech companies to build data centers and other infrastructure for artificial intelligence. — Matt Peterson, CNBC, 18 Aug. 2026

Prices of memory chips, which are estimated to represent 10% to 20% of the cost of building a smartphone, have soared amid insatiable demand from data centers. — Bloomberg, Mercury News, 18 Aug. 2026

Though demand for clean energy has been driven heavily by data centers’ insatiable need for power, the uptick in consumer spending in the segment is encouraging and could tick higher. — Alan Ohnsman, Forbes.com, 17 Aug. 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