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English definition of “fat”

fat

adjective uk   /fæt/ (fatter, fattest) us  

fat adjective (BIG)

A1 having a lot of flesh on the body: Like most women, she thinks she's fat. I have horrible fat thighs. He eats all the time but he never gets fat. thick or large: He lifted a fat volume down from the shelf. Some producers of mineral water have made fat profits.

fat adjective (NO)

[before noun] informal used in some phrases to mean very little or none: A fat lot of use you are! (= You are not useful in any way.) He knows it upsets me, but a fat lot he cares (= he doesn't care).
Idioms

fat

noun uk   /fæt/ us  
[U] the substance under the skin of humans and animals that stores energy and keeps them warm: body fat Women have a layer of subcutaneous fat (= fat under the skin), which provides them with better insulation than men. B2 [C or U] a solid or liquid substance from animals or plants and used especially in cooking: This product contains no animal fat. I only use vegetable fats in cooking.
(Definition of fat from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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