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

His insatiable appetite for worlds comes out of an elemental necessity to ingest fertile planets for sustenance and to maintain balance in the cosmos, forever on the prowl in his world ship, the Taa II. —Jeff Spry, Space.com, 12 Mar. 2025

Three years after their auspicious debut, the young Chicago rock trio’s new album features this insatiable lead single — a quick, crunchy guitar track that’s been putting me in a trance for months. —Alex Suskind, Vulture, 4 Mar. 2025

Our fastest route to achieving net zero is by maximizing the power of renewables, which are the cleanest and most abundant form of power, to meet the world’s insatiable demand for electricity. —Javier Cavada, Forbes, 21 Feb. 2025

For over a century, this exclusive society has served as a haven for those driven by an insatiable curiosity, where adventurers, scientists, and, yes, even billionaires converge to share tales of daring exploits and groundbreaking discoveries. —Dan Perry, Newsweek, 13 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