Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fat”

fat

adjective
 
 
/fæt/ (fatter, fattest)
PERSON A1 Someone who is fat weighs too much: She eats all the time but never gets fat.Fat or well-built
THICK thick or large: a fat book → See also fat chanceBig and quite bigEnormous
(Definition of fat adjective from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “fat” in other dictionaries

Word of the Day

aptitude

a natural ability or skill

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More