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

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 See More
Recent Examples on the Web: Adjective Budgets that were once fat are being trimmed, and managers have been told not to expect unlimited head count for their teams. New York Times, 26 July 2022 It is targeted and focused to heat fat tissues underneath the skin and induce fat cell loss. Melanie Savage, Hartford Courant, 25 July 2022 Obesity occurs when a person has excessive fat accumulation that presents a health risk, according to the World Health Organization. Rachel Fadem, CNN, 7 July 2022 What has that felt like in an era where plus-size actors are so often stereotyped into caricatures of fat people? Marielle Elizabeth, Vogue, 27 June 2022 Some clothing brands in the past overtly wrote off fat people as customers on the grounds of brand aesthetics. Katie Deighton, WSJ, 4 Apr. 2022 However, it can't be done with the type of procedure typically used for fat reduction. Marci Robin, Allure, 9 Feb. 2022 Today, minimally invasive aesthetics procedures and enhancements such as Neurotoxins (Botox), Laser hair removal and non-surgical fat reduction are just a few that consumers are interested in talking about. Joseph Deacetis, Forbes, 29 Dec. 2021 And at these super-low prices, don’t rule out a sale at a fat premium. Shawn Tully, Fortune, 14 July 2022 Recent Examples on the Web: Noun Brian Elvira, a junior center and defensive tackle last season, has turned body fat into muscle and is switching to fullback and middle linebacker. Eric Sondheimer, Los Angeles Times, 7 July 2022 For the new report, the researchers focused on 1,702 participants from ages 51 to 75 — average age 61 — at their first study checkup, when weight, waist size and measures of body fat were collected. Linda Carroll, NBC News, 21 June 2022 Biggie had entered the 2016 NBA Draft as well, going to the combine, getting that body-fat test with those calipers. Gregg Doyel, USA TODAY, 21 June 2022 Biggie had entered the 2016 NBA Draft as well, going to the NBA Draft Combine, getting that body-fat test with those calipers. Gregg Doyel, The Indianapolis Star, 21 June 2022 Though excess body fat was once considered a sign of wealth or fertility, over the past century a stigma has developed against larger bodies. Alexandra Ossola, Quartz, 19 June 2022 Use a cooking method that allows fat to drip away, like broiling or grilling. Laura Schulte, Journal Sentinel, 18 July 2022 Grier was 20 pounds lighter, and his body fat had fallen to 12 percent from 25. New York Times, 7 July 2022 This occurs when the body stores too much fat, especially around the midsection, which can lead to insulin resistance. Bryant Stamford, The Courier-Journal, 7 July 2022 See More

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.

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

Learn More About fat

Time Traveler for fat

Time Traveler

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

See more words from the same century

Dictionary Entries Near fat

fast worker

fat

fat acid

See More Nearby Entries 

Statistics for fat

Last Updated

2 Aug 2022

Cite this Entry

“Fat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fat. Accessed 10 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for fat

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

WORD OF THE DAY

Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!