Thesaurus

all-powerful, almighty, bacchanal, bacchanalian, bacchic, beardown, beefed-up, beery, bent, bent on, besotted, bibulous, black-tie, blind drunk, blotto, boozy, brave, brawny, buckram, bullnecked, bullocky, carousing, ceremonial, ceremonious, cockeyed, coercive, compelling, conceptive, conventional, courageous, crocked, dead set, decisive, desperate, determined, do-or-die, doped, dress, drugged, drunk, drunken, effective, effectual, efficacious, efficient, equipotent, fecund, fertile, fertilizable, firm, form-only, formal, fortified, foursquare, fruitful, fuddled, full-dress, half-seas-over, hard, hard-hitting, hefty, hell-bent, high, hopped-up, immobile, immotile, immovable, immoveable, impelling, impregnable, impressive, industrial-strength, inebriated, inelastic, inflexible, intent on, intoxicated, ironlike, knock-down, knockout, loaded, mellow, mighty, multipotent, muscle-bound, muscular, narcotised, narcotized, nominal, nonmotile, nonmoving, noticeable, omnipotent, orgiastic, out to, perfunctory, pie-eyed, pissed, pixilated, plastered, positive, potent, potty, powerful, prescribed, pro forma, productive, puissant, purposeful, rank, regent, regnant, reigning, reinforced, resolute, resolved, rigid, robust, rough-and-ready, rugged, ruling, semi-formal, semiformal, semirigid, severe, sinewy, single-minded, slopped, sloshed, smashed, soaked, sottish, soused, sozzled, spartan, squiffy, stabile, stalwart, starchy, steadfast, steady, stiff, stoned, stout, strengthened, strong, telling, tiddley, tiddly, tight, tipsy, titular, tough, toughened, trenchant, unbendable, undaunted, undeterred, undiscouraged, undismayed, unfaltering, unmovable, unmoving, unshakable, unshaken, unwavering, useful, utile, vehement, virile, weapons-grade, well-knit, well-set, wet, white-tie

stiff is a ADJ.

stiff, stiffly

stiff is a ADV.

cadaver, clay, corpse, remains, stiff

stiff is a NOUN.