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

Charlotte has developed an insatiable appetite for soccer, between hosting two Copa America matches last summer and four FIFA Club World Cup matches this summer. —Ashley Mahoney, Axios, 8 Apr. 2025

Their insatiable appetite to innovate, disrupt, and surprise knows no bounds. —Josh Weiss, Forbes.com, 4 Apr. 2025

As a rich American with an insatiable appetite for cheap crap, how dare those poor Cambodians pull themselves out of poverty by building an export economy around delivering me said cheap crap! —Lee Habeeb, MSNBC Newsweek, 3 Apr. 2025

The success is no surprise for those who play for the 39-year-old with boyish good looks, a computer for a brain and an insatiable passion for his sport. —Edgar Thompson, The Orlando Sentinel, 2 Apr. 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