Dictionary.com
Thesaurus.com
Synonyms

insatiable

American  
[in-sey-shuh-buhl, -shee-uh-] / ɪnˈseɪ ʃə bəl, -ʃi ə- /

adjective

  1. not satiable; incapable of being satisfied or appeased.

    insatiable hunger for knowledge.

    Synonyms:
    bottomless, unquenchable, voracious

insatiable British  
/ ɪnˈseɪʃɪɪt, -ʃɪə-, ɪnˈseɪʃəbəl /

adjective

  1. not able to be satisfied or satiated; greedy or unappeasable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of insatiable

First recorded in 1400–50; late Middle English insaciable, from Latin insatiābilis; equivalent to in- 3 + satiable

Explanation

If someone can't be satisfied, she is insatiable. After being lost in the woods eating only berries for a few days, you'll find your hunger is insatiable once you finally get to the table. Insatiable comes from the combination of the negative prefix, in- and the Latin verb satiare, for fill. Someone who is insatiable can never be full. It can be used for spiritual as well as physical desires. Swift's traveling Gulliver talks about his "insatiable desire of seeing foreign countries." Perhaps you have an insatiable desire to learn all the words in the English language. Synonyms are unappeasable and gluttonous.

Keep Reading on Vocabulary.com

Vocabulary lists containing insatiable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But such great champions are, of course, born competitors who have insatiable desires to win matches - and Grand Slam trophies.

From BBC Aug. 22, 2026

With leaders like this, is it any wonder that the public still has an insatiable appetite for superheroes?

From Los Angeles Times Aug. 20, 2026

Ki Tang and Park Ng are locals, insatiable eaters.

From Salon Aug. 9, 2026

O’Leary: The demand for data centers is insatiable.

From MarketWatch Aug. 7, 2026

Then he massaged her with brandy and gunpowder, but it was all useless; Pancha’s life ebbed away in an interminable case of diarrhea that destroyed her body and left her with an insatiable thirst.

From "The House of the Spirits: A Novel" by Isabel Allende

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training