1. (n.) Weight over and above what is required by law or custom.

2. (n.) Superabundance of weight; preponderance.

3. (a.) Overweighing; excessive.

adipose avoirdupois bear hard upon beef beefiness beefy big-bellied bloated blowzy bosomy brawny burden burly burthen buxom charge choke chubby chunky congest congestion corpulent cram crowd cumber deadweight distended drench dumpy encumber engorgement fat fatness fattish fleshy freight full giantism gigantism glut gluttonize gorge gravity gross gross weight hamper handicap heaviness heavy heavyset heavyweight heft heftiness hefty hippy hyperemia hypertrophy imposing jam jam-pack lade leaden liveweight load lusty massive massy meaty neat weight net net weight obese oppress outbalance outpoise outsize outsized outweigh overbalance overbig overbrimming overburden overcharge overdeveloped overdevelopment overfed overfeed overfill overflow overfreight overfullness overgrown overgrowth overlade overlarge overlargeness overload overpoise oversized overspill overstuff overtax overweigh pack paunchy plethora plump podgy ponderability ponderosity ponderous ponderousness portly potbellied poundage press hard upon pudgy puffy pursy repletion rest hard upon roly-poly rotund saddle satiate satiety saturate saturation soak square squat squatty stalwart stocky stout strapping stuff supercharge supersaturate supersaturation surcharge surfeit swollen tax thick-bodied thickset tonnage too big top-heavy tubby underweight weigh heavy on weigh on weigh upon weight weightiness weighty well-fed