fatten

verb

fat·​ten ˈfa-tᵊn How to pronounce fatten (audio)
fattened; fattening fa-tə-niŋ How to pronounce fatten (audio)
ˈfat-niŋˈ

transitive verb

1
a
: to make fat, fleshy, or plump
especially : to feed (an animal) for slaughter
b
: to make more substantial
2
: to make fertile

intransitive verb

: to become fat
fattener
ˈfa-tə-nər How to pronounce fatten (audio)
ˈfat-nər
noun

Examples of fatten in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Both make enough money to get along very well without tax dollars fattening them up even further. Paul Bedard, The Washington Examiner, 3 May 2025 Veterinary staff and volunteers typically provide care for two to five months to heal and fatten them for return to the wild. Ethan Baron, Mercury News, 28 Mar. 2025 The luxurious delicacy is a pâté or mousse made from the rich, fattened livers of ducks or geese. Ari Daniel, New York Times, 25 Mar. 2025 In 13 years, he’s made a bundle for long-term shareholders and himself an almost-billionaire, largely by pushing through margin fattening price increases. Danielle Chemtob, Forbes, 10 Mar. 2025 See All Example Sentences for fatten

Word History

First Known Use

circa 1552, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of fatten was circa 1552

Browse Nearby Words

Cite this Entry

“Fatten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fatten. Accessed 19 May. 2025.

Kids Definition

fatten

verb
fat·​ten ˈfat-ᵊn How to pronounce fatten (audio)
fattened; fattening ˈfat-niŋ How to pronounce fatten (audio)
-ᵊn-iŋ
: to make or become fat
fattener noun

More from Merriam-Webster on fatten

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!