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 fatless (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

Another complicating factor is Maine’s system of voluntary public campaign financing, which has helped several candidates stay in races otherwise dominated by those with fatter wallets. Ed Kilgore, Daily Intelligencer, "GOP Could Get Even Trumpier in June 12 Primaries," 12 June 2018 So an at-home workout machine is perfect for fitting around busy schedules and making quick fat-loss gains. Lauren Levy, Slate Magazine, "The Best Home Gym Equipment," 1 Jan. 2018 That’s why there’s so many fat kids in school right now — because there’s nobody to take their lunch money. Kyle Smith, National Review, "‘We Need Bullies’: Chris Rock Speaks Truth to Weakness in Tamborine," 15 Feb. 2018 He and his co-authors report seeding these scaffolds with stem cells taken from human fat tissue and bone marrow, and finding that a portion of these cells survived and adhered to the scaffold. Matt Warren, Science | AAAS, "Disgraced surgeon is still publishing on stem cell therapies," 27 Apr. 2018 Stress triggers the release of the hormone cortisol, which encourages your body to store more fat, particularly around your belly. Karyn Repinski, Woman's Day, "New Research Links Belly Fat to an Increased Risk of Heart Attacks in Women," 23 Jan. 2019 Japanese Beetles Adults are metallic blue-green, ½-inch beetles with bronze wing covers, while larvae are fat, white grubs with brown heads. The Editors, Good Housekeeping, "The 10 Most Destructive Garden Insects and How to Get Rid of Them," 10 July 2018 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

Recent Examples on the Web: Noun

The uniformed maid stood in the hall, awaiting the slightest signal that the wizard was ready for his low-fat lunch. Kennedy Fraser, Vogue, "From the Archives: Karl Lagerfeld, The Impresario," 19 Feb. 2019 From high-fat keto to anti-inflammatory Whole 30, new eating plans — and books explaining the method behind their menus — seem to be popping up every week. Karla Walsh, Woman's Day, "Everything You Need to Know About the Dubrow Diet," 29 Jan. 2019 Add the bread to the skillet and toss in the fat to coat, then sprinkle with 1/2 teaspoon each salt and pepper. Woman's Day, "Roasted Citrus Chicken Salad," 15 Feb. 2019 Plus, chugging water will help move the fat and sugar out of your system a little more efficiently. Jenna Rosenstein, Harper's BAZAAR, "The Holidays Are Coming—Here's How To Get Back On Track After a Big Meal," 19 Oct. 2018 The mesquite coals put a shiny glaze over the brisket fat, sealing in the juice underneath. Mike Sutter, San Antonio Express-News, "52 Weeks of BBQ: Cooper’s Old Time Pit Bar-B-Que," 13 July 2018 The fat within the steak gives it juiciness, flavor and tenderness. Nancy Stohs, Milwaukee Journal Sentinel, "5 meats to master on the grill: We went back to school to learn the best techniques," 29 May 2018 Look, the air frier function is good for a lot of things, but that crispy, rich flavor of real fried food is not going to come through without the fat. Megan Geuss, Ars Technica, "June postscript: 5 unusual things you can make in an Internet-connected oven," 31 Dec. 2018 The salmon itself poses a threat to the whales, as chemicals and pesticides accumulate as the fish feed and eventually end up stored in the orcas’ fat. Meilan Solly, Smithsonian, "Pacific Northwest Orca Population Hits 30-Year-Low," 10 July 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

12 Apr 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 How to pronounce fat (audio) \
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 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

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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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