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

If the act is a cruel and unjust law, stealing from working Americans in order to feed the insatiable greed of the billionaire class, what can can average Americans do about it? — Dr. Michael Good, Hartford Courant, 28 Sep. 2026

The precocious 25-year-old became a workout pal with James post-Covid 19 pandemic, the two bonding on their insatiable desire to do the work. — Dana O’Neil, CNN Money, 28 Sep. 2026

In the meantime, his insatiable paranoia will be exacerbated by the missing family cat, and his decision to let the alarm company booby trap the house with fog bombs will literally blow up in his face. — David Ehrlich, IndieWire, 8 Sep. 2026

This campaign, now fueled by insatiable media coverage, remains at a fever pitch and has resulted in real life threats to his reputation, livelihood, and life. — Mike Toole, CBS News, 8 Sep. 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