146 synonyms for stuff such as blow out, articles, accoutrements, applesauce, data, fill, compress, cram, annihilate, and beat hollow. Stuff is a noun, and its antonyms are emptiness and void.
Articles, bits and bobs, bits and pieces, cloth, fabric, goods, gubbins, items, material, matter, medium, objects, odds and ends, odds and sods, substance, textile, and things.
Accoutrements, appurtenances, belongings, clobber, effects, gear, goods, goods and chattels, gubbins, kit, paraphernalia, personal possessions, possessions, property, tackle, things, and trappings.
Applesauce, balderdash, baloney, bellywash, bilge, blathers, bosh, bunk, bunkum, bushwa, claptrap, cobblers, codology, codswallop, drivel, flapdoodle, garbage, gibberish, havers, hogwash, hooey, hot air, mumbo jumbo, nonsense, piffle, poppycock, rot, rubbish, tommyrot, tosh, tripe, twaddle, and wack.
Data, discipline, facts, information, onions, and subject.
Fill, line, pack, pad, upholster, and wad.
Compress, cram, crowd, force, jam, pack, pile, press, push, ram, shove, squeeze, stick, stow, thrust, and wedge.
Cram, devour, fill, gobble, gorb, gorge, guzzle, make a pig of oneself, overindulge, pig, pig out, satiate, stuff oneself to the gills, and wolf.
Annihilate, beat hollow, blow out, bring someone to their knees, clobber, cream, crucify, crush, defeat utterly, demolish, destroy, drub, flatten, give someone a drubbing, give someone a pasting, hammer, make mincemeat of, marmalize, massacre, murder, overwhelm, own, paste, pound, pulverize, rout, run rings around, shellac, skunk, take to the cleaners, thrash, trounce, turn inside out, whip, win a resounding victory over, and wipe the floor with.