fat·​ten | \ˈfa-tᵊn \
fattened; fattening\ ˈfat-​niŋ , ˈfa-​tə-​niŋ \

Definition of fatten 

transitive verb

1a : 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

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Other Words from fatten

fattener \ ˈfat-​nər , ˈfa-​tə-​nər \ noun

Examples of fatten in a Sentence

Recent Examples on the Web

That has come as the company has managed the rare feat of accelerating the growth of its already massive business while also fattening up its bottom line. Dan Gallagher, WSJ, "Amazon’s Third Party Needs to Keep Raging," 7 Oct. 2018 That has helped pushed up average new-car prices to record highs and fatten auto makers’ profit margins. Chester Dawson, WSJ, "Car Makers Get Their Wish on Fuel-Efficiency Standards," 3 Apr. 2018 Worse for Seattle is that its division deficit could conceivably grow: While the Mariners’ next six games are against the powerhouse Yankees and Red Sox on the road, the Astros get to fatten up against the Rays, Blue Jays and Royals. Jon Tayler, SI.com, "The Houston Astros Are Only Getting Better," 19 June 2018 But taking a creative risk can garner you loads of attention, as well as helping to fatten your bottom line. Rob Weinberg, Pomerado News, "Must trade shows be boring?," 12 July 2018 Hardly: From 2014 through 2016, American had authorized $9 billion in share buybacks to fatten the shareholders’ take. Michael Hiltzik, latimes.com, "Employers will do almost anything to find workers to fill jobs — except pay them more," 10 July 2018 As the bundles have fattened, so too have the prices, Sappington said. Jennifer Van Grove, sandiegouniontribune.com, "Price hikes for cord-cutters. What gives?," 7 July 2018 That situation has allowed Texas to fatten its rainy day fund to $11 billion, Whitley says, while forcing local governments to pay a higher share of costs once shouldered by the state. Gordon Dickson And Nicholas Sakelaris, star-telegram, "Priced out of their home? North Texans see tax bill rise $1,200 in five years," 6 July 2018 Now that chicks have fledged, territories will be abandoned and attention will turn to fattening up for migration. Taylor Piephoff, charlotteobserver, "Bird activity slows this time of year, but it’ll pick up soon," 27 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fatten.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fatten

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

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Statistics for fatten

Last Updated

14 Nov 2018

Look-up Popularity

Time Traveler for fatten

The first known use of fatten was circa 1552

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More Definitions for fatten



English Language Learners Definition of fatten

: to make (someone or something) fat

: to become fat


fat·​ten | \ˈfa-tᵊn \
fattened; fattening

Kids Definition of fatten

: to make or become fat

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More from Merriam-Webster on fatten

See words that rhyme with fatten

Spanish Central: Translation of fatten

Nglish: Translation of fatten for Spanish Speakers

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