Definition of fat adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//fæt//
    ; NAmE NAmE//fæt//
    (fatter, fattest) Body shape
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  1. 1  (of a person’s or an animal’s body) having too much flesh on it and weighing too much a big fat man/woman You'll get fat if you eat so much chocolate. He grew fatter and fatter. fat flabby legs Vocabulary BuildingSaying that somebody is fat Fat is the most common and direct word, but it is not polite to say to someone that they are fat:Does this dress make me look fat? You’re looking fat now. Overweight is a more neutral word:I’m a bit overweight. It can also mean too fat, especially so that you are not fit. Large or heavy is less offensive than fat:She’s a rather large woman. Big describes someone who is tall as well as fat:Her sister is a big girl, isn’t she? Plump means slightly fat in an attractive way, often used to describe women. Chubby is used mainly to describe babies and children who are fat in a pleasant, healthy-looking way:the baby’s chubby cheeks Tubby (informal) is used in a friendly way to describe people who are short and round, especially around the stomach. Stocky is a neutral word and means fairly short, broad and strong. Stout is often used to describe older people who have a round and heavy appearance:a short stout man with a bald head Flabby describes flesh that is fat and loose:exercises to firm up flabby thighs Obese is used by doctors to describe people who are so fat that they are unhealthy. It is also used in a general way to mean ‘really fat’.Note that although people talk a lot about their own size or weight, it is generally not considered polite to refer to a person’s large size or their weight when you talk to them. note at thin opposite thin See related entries: Body shape
  2. 2  thick or wide a fat volume on American history
  3. 3[only before noun] (informal) large in quantity; worth a lot of money a fat sum/profit He gave me a nice fat cheque. More Like This Consonant-doubling adjectives big, drab, fat, fit, flat, hot, mad, red, sad, wetSee worksheet.
  4. Word OriginOld English fǣtt ‘well fed, plump’, also ‘fatty, oily’, of West Germanic origin; related to Dutch vet and German feist.Word Familyfat adjectivefatty adjectivefatten verbfattening adjectiveExtra examples I was sitting next to a big fat man. Try to cut out the foods that are making you fat. a big fat envelope stuffed with banknotes A big fat man walked into the room. I was ashamed of my fat flabby legs. You’ll get fat if you eat so much chocolate.Idioms
    (a) fat chance (of something/doing something)
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    (informal) used for saying that you do not believe something is likely to happen ‘They might let us in without tickets.’ ‘Fat chance of that!’
    a fat lot of good, use, etc.
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    (informal) not at all good or useful Paul can't drive so he was a fat lot of use when I broke my arm.
    it’s not over until the fat lady sings
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    (saying) used for saying that a situation may still change, for example that a contest, election, etc. is not finished yet, and somebody still has a chance to win it
See the Oxford Advanced American Dictionary entry: fat