The Oxford Thesaurus An A-Z Dictionary of Synonyms - fat adj.

1) obese, stout, overweight, heavy, plump, rotund, corpulent, portly, well-fed, chubby, podgy or chiefly US pudgy, roly-poly, tubby, bulky, fleshy, paunchy, pot-bellied, overfed, flabby, elephantine, Colloq broad in the beam, beamy, beefy, Slang US five-by-five: A fat man squeezed in beside me. 2) oily, oleaginous, unctuous, greasy, fatty, pinguid, sebaceous, adipose: His complexion is bad because he eats too much fat food. 3) rich, wealthy, prosperous, affluent, well-to-do, well off, Colloq well-heeled, loaded: They grew fat on their profits from the black market. 4) profitable, lucrative, fruitful, remunerative, Slang cushy: He has a fat job as a purchasing agent for the government. --n. 5) obesity, corpulence, stoutness, overweight, heaviness, plumpness, rotundity, portliness, chubbiness, podginess or chiefly US pudginess, tubbiness, fleshiness, paunchiness, flabbiness: He leans a little towards fat because of lack of exercise. 6) riches, wealth, prosperity, fertility, yield, abundance, plenty, plenteousness: He's living off the fat of the land.