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

That’s Nvidia, which has grown to become one of Wall Street’s most influential stocks because of nearly insatiable demand for its chips. —Stan Choe, Los Angeles Times, 25 Feb. 2025

Any evidence that the insatiable fan demand for more NFL games has limits? —Richard Deitsch, The Athletic, 25 Feb. 2025

The observations are revealing more about the feeding frenzy of black holes and how their insatiable appetites can shape entire galaxies. —Ashley Strickland, CNN, 23 Feb. 2025

The main problem has been working out where to find volumes large enough to be useful for humanity’s insatiable energy appetite. —Laura Paddison, CNN, 19 Feb. 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