English Reference

Word

insatiable

Phoneticsin·sa·tiable

US/ˌɪnˈseɪʃəbəɫ/

UK/ɪnsˈeɪʃɪəbəl/

Definition

adj. having a desire or need that is so great it can never be satisfied, no matter how much you get.

adj. incapable of being satiated or appeased; typically applied to abstract desires like curiosity, greed, or ambition.

Examples

“The young child has an insatiable curiosity about nature.”

“Despite his massive wealth, the businessman had an insatiable appetite for power and continued to buy smaller companies.”

“The public's insatiable demand for celebrity gossip has fueled the rise of invasive tabloid journalism and the constant presence of paparazzi in major cities.”

Examples

simple

“The young child has an insatiable curiosity about nature.”

contextual

“Despite his massive wealth, the businessman had an insatiable appetite for power and continued to buy smaller companies.”

complex

“The public's insatiable demand for celebrity gossip has fueled the rise of invasive tabloid journalism and the constant presence of paparazzi in major cities.”

Usage

Commonly used to modify abstract nouns such as 'appetite', 'curiosity', 'desire', or 'greed'.

Teaching tip

While it can describe physical hunger, it is most frequently used metaphorically for mental or emotional drives.

Real-World Examples

“The country's rapidly growing middle class had plenty of money and a seemingly insatiable appetite for cars, including the most profitable upmarket models.”
BBC News · 22 Sept 2026
“Alex’s intellect was prodigious and his thirst for knowledge and skills insatiable and wide-ranging.”
The Guardian · 18 Aug 2026

Etymology

Inherited from Middle English insaciable, from Middle French insatiable, from Old French insaciable, from Late Latin insatiabilis. by surface analysis, in- + satiable.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Synonyms

unquenchablevoraciousgreedy

Antonyms

satiablesatisfied

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated
Register
Formal

Scan code

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English Reference