- fat [fat]adj.fatter, fattest [ME < OE fætt, pp. of fætan, to fatten, akin to Ger feist, plump < OHG feizzen, to make fat < IE * poid- < base * pi-, to be fat, distended > Gr pimelē, lard, Sans pīná-, fat]1.a) containing or full of fat; oily; greasyb) having much fat in relation to lean: said of meatc) containing volatile oil [fat coal]d) containing much resin [fat wood]2.a) fleshy; plumpb) too plump; corpulent; obese3. thick; broad [the fat part of the bat]4. containing something valuable in great quantity; fertile; productive [fat land]5. profitable; lucrative [a fat job]6. prosperous7. supplied plentifully; ample8. stupid; dull9. Slang desirable because large or important [a fat role for an actor]n.1. any of various mixtures of solid or semisolid triglycerides found in adipose animal tissue or in the seeds of plants: they are insoluble in water but soluble in organic solvents2. any such substance used in cooking3. fleshiness; plumpness; corpulence4. the richest or finest part of anything5. anything unnecessary or superfluous that can be trimmed away6. Chem. a class of neutral lipids consisting of the various triglycerides: they are called oils if in the liquid statevt., vi.fatted, fatting [ME fatten < OE fættian]to make or become fat: now usually FATTEN——————☆ a fat chanceSlang very little or no chance——————a fat lotSlang very little or nothing——————chew the fatSlang to talk together; chatlive off ( or on) the fat of the land——————live off (or on) the fat of the land [after LL(Ec) medulla terrae, Gen. 45:18]to have, use, or enjoy the finest things, in abundance; live in luxury——————the fat is in the firethe unfortunate thing has happened and cannot be undonefatlyadv.fatnessn.
English World dictionary. V. Neufeldt. 2014.