fat

adjective
\ ˈfat \
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 \ 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

Dairy-wise, go for the full- (or at least not-too-low-in) fat milk and cheese. Abby Langer, SELF, "I'm an R.D. and I'm Really Great at Grocery Shopping—Steal My Tips," 31 Jan. 2019 Many of Jeffree's fans rushed to his defense and dug up past racist and fat-shaming tweets from Gabriel, Laura, and crew. Teryn Payne, Teen Vogue, "Laura Lee Apologizes for Racist Tweets as Gabriel Zamora Cut Ties with Manny MUA," 24 Aug. 2018 The popular eating plan advises breaking down your daily calories into about 70% fats, 20% protein, and 10% carbs in order to enter a metabolic state called ketosis, where your body burns fat for energy instead of its preferred fuel, carbohydrates. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "9 Keto Diet Dangers Nutritionists Want You to Know About," 2 Jan. 2019 Gather some small, thin branches about the size of those fat, elementary school pencils and break them into pencil lengths as well. Gather some newspaper. Ross Mccammon, Popular Mechanics, "How to Build the Perfect Fireplace Fire," 30 Nov. 2018 The days of fat guys on the mound like Rick Reuschel, Gaylord Perry, Mickey Lolich and David Wells are long gone. Paul Sullivan, chicagotribune.com, "Lamenting the decline of the vanishing breed of portly pitchers," 4 May 2018 These bad actors include chronic stress, a lack of exercise and restorative sleep, toxins from molds, and fat-laden fast foods. Linda Marsa, Discover Magazine, "A New Treatment for Alzheimer's? It Starts With Lifestyle," 16 Nov. 2018 Surveys show that lots of locals are more fat than fit. Grant Segall, cleveland.com, "Greg Carlin wants to make fitness fun at his new Play: CLE (photos)," 18 Jan. 2018 Doctors recommend keeping intake of red meat low and avoiding refined grains, sweets and high-fat dairy and fried foods. Laura Landro, WSJ, "Doctors Rethink the Cause—and Treatment—of Diverticular Disease," 20 Nov. 2018

Recent Examples on the Web: Noun

High doses of fish oil can reduce triglycerides, a type of fat in the blood that can raise the risk of heart disease. Betsy Mckay, WSJ, "Fish Oil: Hunting for Evidence to Tip the Scales," 2 Jan. 2019 Underneath the layers of women’s clothes, Niko is a 19-year-old man with a short crop of brown hair and a soft, malleable face, still clinging to its last bits of baby fat. Liana Satenstein, Vogue, "Meet Gerilyn, Tbilisi’s Queen of Drag," 21 Nov. 2018 Essentially, these fillers elevate the surrounding skin to the level of the fat to make the texture smooth and uniform again. Talia Abbas, SELF, "Puffy Eyes, Dark Circles, and Bags: Dermatologists Explain the Difference," 8 Aug. 2018 As a kid, there was no greater pleasure than the first dip of a chip into a snow-white pool of luscious dairy fat, its cloud-like surface studded with translucent shards of rehydrated onion. Hilary Cadigan, Bon Appetit, "Love, Thy Name Is Slow-Roasted Onion Dip," 2 June 2018 The sky was empty — but as someone started scooping a smelly paste of beef fat into the water as bait, gulls appeared. Eric Boodman, STAT, "A career in biotech brought success. Then the birds came calling," 24 May 2018 With an adjustable grilling angle that can remove 42 percent of the fat from a 1/4 pound of meat, it's long been seen as one of the healthiest and most efficient ways of grilling. David Grossman, Popular Mechanics, "Today's Best Deals: A Discount on Your Very Own R2-D2," 27 Apr. 2018 One of the most prevalent of them all is CoolSculpting, a quick treatment in which a areas of fat are frozen on a patient's body. Roxanne Adamiyatt, Town & Country, "Everything You Need to Know About CoolSculpting (and Were Too Afraid to Ask)," 11 Jan. 2019 There, chemists assessed the composition in terms of fats, metals, and fecal content. Beth Mole, Ars Technica, "London museum is livestreaming a key 21st-century artifact—festering sewage," 18 Aug. 2018

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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Learn More about fat

Dictionary Entries near fat

fast-twitch

fastuous

fast worker

fat

fat acid

fatal

fatalism

Statistics for fat

Last Updated

15 Feb 2019

Look-up Popularity

Time Traveler for fat

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

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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 \
fatter; fattest

Kids Definition of fat

 (Entry 1 of 2)

1 : having much body fat a fat pig
2 : thick entry 1 sense 1 a fat book
3 : richly rewarding or profitable He signed a fat contract.
4 : swollen up I fell and got 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 \
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

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More from Merriam-Webster on fat

Rhyming Dictionary: Words that rhyme with fat

Thesaurus: All synonyms and antonyms for fat

Spanish Central: Translation of 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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