adj. 1.having much flesh (especially fat) 2.having a relatively large diameter 3.containing or composed of fat 4.lucrative 5.marked by great fruitfulness 6.a chubby body fat n. 1.a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides) 2.a kind of body tissue containing stored fat that serves as a source of energy 3.excess bodily weight fat v. 1.make fat or plump