fat

adjective
\ ˈfat How to pronounce fat (audio) \
fatter; fattest

Definition of fat

 (Entry 1 of 3)

1 : notable for having an unusual amount of fat:
a : plump a cute, fat little baby
b : having excessive body fat … a woman of medium height, a little plump but not fat— Mary McCarthy
c of a meat animal : fattened for market
d of food : oily, greasy a fat, rich cheese
2a : well filled out : thick, big a fat book
b : full in tone and quality : rich a gorgeous fat bass voiceIrish Digest
c : well stocked a fat larder
d : prosperous, wealthy grew fat on the warTime
e : being substantial and impressive a fat bank account
3a : richly rewarding or profitable a fat part in a movie a fat contract
b : practically nonexistent a fat chance
4 : productive, fertile a fat year for crops
5 informal : stupid, foolish " … if he had had any sense in his fat head, he would have done it long ago, dash him!"— P. G. Wodehouse
6 : being swollen got a fat lip from the fight
7 of a baseball pitch : easy to hit

fat

verb
fatted; fatting

Definition of fat (Entry 2 of 3)

transitive verb

: to make fat : fatten

fat

noun

Definition of fat (Entry 3 of 3)

1 : animal tissue consisting chiefly of cells distended with greasy or oily matter
2a : oily or greasy matter making up the bulk of adipose tissue and often abundant in seeds
b : any of various compounds of carbon, hydrogen, and oxygen that are glycerides of fatty acids, are the chief constituents of plant and animal fat, are a major class of energy-rich food, and are soluble in organic solvents but not in water
c : a solid or semisolid fat as distinguished from an oil
3 : the best or richest part
4 : obesity
5 : something in excess : superfluity trim the fat from the news operation— Ray Olson

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Other Words from fat

Adjective

fatness noun

Noun

fatless \ ˈfat-​ləs How to pronounce fat (audio) \ adjective

Examples of fat in a Sentence

Adjective The dog is getting fat because you feed him too much. I can't believe I've let myself get so fat. a fat book of poems a truck with fat tires Noun people with excess body fat a diet and exercise program to help you gain muscle and lose fat Nuts contain a lot of fat. Trim the fat from the meat before you cook it. a diet low in fats fats like butter and olive oil trim the fat off the budget
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Recent Examples on the Web: Adjective His introduction to the region came during a fat-tire bike ride in winter 2018. Star Tribune, 30 July 2021 Choose a low-calorie drink (water, sugar-free drink, or low/non fat milk. Go for fresh and dried fruit, which provide a mess-free, portable snack. NBC News, 29 July 2021 Though agreeing that obesity and ill health can travel together, Bacon insists fat itself is not a major player in disease. Jennifer Couzin-frankel, Science | AAAS, 29 July 2021 But experts warn against comparing it to fat shaming. Edward Segarra, USA TODAY, 28 July 2021 The higher fat content of ground chuck adds flavor and moisture while lean sirloin provides structure. Katlyn Moncada, Better Homes & Gardens, 28 July 2021 The average Western diet—as prevalent in the United States and United Kingdom as in ostensibly Mediterranean countries like Spain—is high in meat, fat, and sugar, its production and consumption an environmental and public health disaster. Jan Dutkiewicz, The New Republic, 28 July 2021 Global investors, many of whom believed the developer was too big to fail, bought up its high-yielding U.S. dollar bonds to earn fat returns. Quentin Webb, WSJ, 27 July 2021 Shefer tells the Jerusalem Post’s Barry Davis that Ethiopians ground the beans and mixed them with goat or sheep fat as a source of quick energy for soldiers and hunters. Livia Gershon, Smithsonian Magazine, 27 July 2021 Recent Examples on the Web: Noun The firm is testing its weight-loss treatment in adolescents while also working on programs for patients with diabetes, a liver disease that causes excess fat build-up, and constipation. BostonGlobe.com, 19 July 2021 While Toby struggles with his weight, Terri finally finds confidence in hers, booking a plus-size fashion campaign before epically clapping back at a fat-shaming ice-cream boy. Shannon Carlin, Vulture, 16 July 2021 And anyone comparing their GOAT-worthy careers can now put a big fat tally mark in the younger man's column to neatly match one in the older: starred as self in a half-cartoon cosmic-basketball-face-off super-adventure. Mary Sollosi, EW.com, 14 July 2021 Food exchanges: 1 starch, 1 fat. Support local journalism and become a digital subscriber to the Free Press. Darlene Zimmerman, Detroit Free Press, 11 July 2021 The past 30 years have seen London grow fat on the back of young people from around the world. Washington Post, 9 July 2021 Mountain bikes, canoes, and kayaks can be rented from several establishments, skis and fat bikes can be rented in winter. David James, Anchorage Daily News, 28 June 2021 Further complicating things, our data show that sponsors are using MSCs extracted from a hodgepodge of sources: blood from the umbilical cord, the wall of the umbilical cord itself, bone marrow, adipose (fat) tissue, and dental pulp. Paul Knoepfler, STAT, 27 June 2021 The goal is for the steak to remain red but have a warm center, or look rare but be at a medium-rare temperature, and for the fat to have rendered but for the protein structure to have not yet tightened. Alyson Sheppard, Robb Report, 8 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fat.' 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 fat

Adjective

before the 12th century, in the meaning defined at sense 1

Verb

14th century, in the meaning defined above

Noun

14th century, in the meaning defined at sense 1

History and Etymology for fat

Adjective, Verb, and Noun

Middle English, from Old English fǣtt, past participle of fǣtan to cram; akin to Old High German feizit fat

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Time Traveler for fat

Time Traveler

The first known use of fat was before the 12th century

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Dictionary Entries Near fat

fast worker

fat

fat acid

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Statistics for fat

Last Updated

2 Aug 2021

Cite this Entry

“Fat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fat. Accessed 3 Aug. 2021.

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More Definitions for fat

fat

adjective

English Language Learners Definition of fat

 (Entry 1 of 2)

: having a lot of extra flesh on your body : having a lot of body fat
: having a full, rounded form
: unusually wide or thick

fat

noun

English Language Learners Definition of fat (Entry 2 of 2)

: the soft flesh on the bodies of people and animals that helps keep the body warm and is used to store energy
: an oily solid or liquid substance in food
: an amount that is more than what is usual or needed

fat

adjective
\ ˈfat How to pronounce fat (audio) \
fatter; fattest

Kids Definition of fat

 (Entry 1 of 2)

1 : having much body fat a fat cat
2 : thick entry 1 sense 1 a fat book
3 : richly rewarding or profitable a fat contract
4 : swollen up a fat lip

Other Words from fat

fatness noun

fat

noun

Kids Definition of fat (Entry 2 of 2)

1 : animal or plant tissue containing much greasy or oily material
2 : any of numerous compounds of carbon, hydrogen, and oxygen that make up most of animal or plant fat and that are important to nutrition as sources of energy
3 : a solid fat as distinguished from an oil
4 : the best or richest part the fat of the land

fat

adjective
\ ˈfat How to pronounce fat (audio) \
fatter; fattest

Medical Definition of fat

 (Entry 1 of 2)

: notable for having an unusual amount of fat especially : fleshy with superfluous flabby tissue that is not muscle : obese

Other Words from fat

fatness noun

fat

noun

Medical Definition of fat (Entry 2 of 2)

1 : animal tissue consisting chiefly of cells distended with greasy or oily matter — see brown fat
2a : oily or greasy matter making up the bulk of adipose tissue
b : any of numerous compounds of carbon, hydrogen, and oxygen that are glycerides of fatty acids, are the chief constituents of plant and animal fat, are a major class of energy-rich food, and are soluble in organic solvents (as ether) but not in water
c : a solid or semisolid fat as distinguished from an oil
3 : the condition of fatness : obesity

More from Merriam-Webster on fat

Nglish: Translation of fat for Spanish Speakers

Britannica English: Translation of fat for Arabic Speakers

Britannica.com: Encyclopedia article about fat

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