形容词

1. (人或动物)肥胖的，肥的
If you say that a person or animal is fat, you mean that they have a lot of flesh on their body and that they weigh too much. You usually use the word fat when you think that this is a bad thing.

1. excess bodily weight

e.g. she disliked fatness in herself as well as in others

Synonym: fatnessblubberavoirdupois

2. a kind of body tissue containing stored fat that serves as a source of energy
it also cushions and insulates vital organs

e.g. fatty tissue protected them from the severe cold

Synonym: adipose tissuefatty tissue

3. a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)

e.g. pizza has too much fat