/ fæt; NAmE / adjective , noun
■ adjective ( fat·ter , fat·test )
( 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
thick or wide :
a fat volume on American history
[ only before noun ] ( informal ) large in quantity; worth a lot of money :
a fat sum / profit
He gave me a nice fat cheque.
► fat·ness noun [ U ]:
Fatness tends to run in families.
- (a) fat chance (of sth / doing sth)
- a fat lot of good, use, etc.
- it's not over until the fat lady sings
[ U ] a white or yellow substance in the bodies of animals and humans, stored under the skin :
excess body fat
This ham has too much fat on it.
[ C , U ] a solid or liquid substance from animals or plants, treated so that it becomes pure for use in cooking :
Cook the meat in shallow fat.
[ C , U ] animal and vegetable fats, when you are thinking of them as part of what a person eats :
You should cut down on fats and carbohydrates.
foods which are low in fat
see chew verb , live (I)
saying that someone 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 and it can sound offensive:
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
Old English fǣtt well fed, plump , also fatty, oily , of West Germanic origin; related to Dutch vet and German feist .