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.
In a telescope, Venus's illuminated portion has fattened to 45-percent; almost half full. Joe Rao, Space.com, 22 May 2025 Demand for these fish skyrockets during the fattening period — from July to October — and competition is fierce. Julia Amberger, Nanni Fontana, Marzio Mian, & Nicola Scevola (tr. Elettra Pauletto), The Dial, 3 Apr. 2025 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 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 31 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
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