WordNet sense 1 (a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs):

adipose tissue, fatty tissue

WordNet sense 2 (excess bodily weight):

avoirdupois, blubber, fatness

WordNet sense 3 (not thin; of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions):

thick

WordNet sense 4 (lucrative):

juicy

WordNet sense 5 (yielding material gain or profit):

profitable

WordNet sense 6 (make fat or plump):

fatten, plump out, fill out, fatten out, fatten up, flesh out

WordNet sense 7 (marked by great fruitfulness):

fertile, productive, rich

WordNet sense 8 (productive or conducive to producing in abundance):

fruitful

WordNet sense 9 (containing an unusual amount of grease or oil):

greasy, oily, sebaceous

WordNet sense 10 (containing or composed of fat):

fatty

WordNet sense 11 (euphemisms for `fat'):

portly, stout

WordNet sense 12 (repellently fat):

gross

WordNet sense 13 (usually describes a large person who is fat but has a large frame to carry it):

fleshy, heavy, overweight

WordNet sense 14 (short and plump):

pudgy, tubby

WordNet sense 15 (excessively fat):

corpulent, obese, rotund

WordNet sense 16 (heavy and compact in form or stature):

stocky

WordNet sense 17 (euphemisms for slightly fat):

chubby, plump

WordNet sense 18 (having a large belly):

paunchy

WordNet sense 19 (a chubby body):

rounded

WordNet sense 20 (having a squat and fleshy build):

endomorphic, pyknic