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

Because of this contempt for people who have that insatiable need to control others, I have been dedicated to the concept of minding my own business. —R. Eric Thomas, Chicago Tribune, 12 May 2025

The insatiable hunger for chicken, mainly nuggets and tenders, has forced McDonald’s, Taco Bell and Wendy’s to adjust their offerings and invest more heavily in the category as consumers, well, eat mor chikin. —Jordan Valinsky, CNN Money, 3 May 2025

However, as the brothers’ insatiable thirst for power ignites growing discord, the community fractures, and Rena’s family aligns with Ervil. —Denise Petski, Deadline, 27 Mar. 2025

Without it, little remained but his malice, his pettiness, and his insatiable appetite for revenge. —Jill Lepore, New Yorker, 28 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