1.  garbage(n = noun.substance) food waste, refuse, scraps - food that is discarded (as from a kitchen);
is a kind of waste, waste material, waste matter, waste product

2.  garbage(n = noun.communication) drivel - a worthless message;
is a kind of content, message, subject matter, substance
has particulars: buncombe, bunk, bunkum, guff, hogwash, rot, chickenshit, applesauce, codswallop, folderol, rubbish, trash, tripe, trumpery, wish-wash, pablum, pap

3.  garbage(n = noun.artifact) - a receptacle where waste can be discarded; "she tossed the moldy bread into the garbage"
is a kind of receptacle

   Offal, as the bowels of an animal or fish; refuse animal or vegetable matter from a kitchen; hence, anything worthless, disgusting, or loathsome. Grainger. [1913 Webster]

   To strip of the bowels; to clean. Holland. [1913 Webster]

garbage, n.
1 a refuse, filth. b domestic waste.
2 foul or rubbishy literature etc.

Idiom:
garbage can US a dustbin.

Etymology:
AF: orig. unkn.

N  uncleanness, impurity, immundity, immundicity, impurity, defilement, contamination, defoedation, soilure, soiliness, abomination, leaven, taint, tainture, fetor, decay, putrescence, putrefaction, corruption, mold, must, mildew, dry rot, mucor, rubigo, slovenry, slovenliness, squalor, dowdy, drab, slut, malkin, slattern, sloven, slammerkin, slammock, slummock, scrub, draggle-tail, mudlark, dust-man, sweep, beast, dirt, filth, soil, slop, dust, cobweb, flue, smoke, soot, smudge, smut, grit, grime, raff, sossle, sozzle, sordes, dregs, grounds, lees, argol, sediment, settlement heeltap, dross, drossiness, mother, precipitate, scoriae, ashes, cinders, recrement, slag, scum, froth, hogwash, ditchwater, dishwater, bilgewater, rinsings, cheeseparings, sweepings, offscourings, outscourings, off scum, caput mortuum, residuum, sprue, fecula, clinker, draff, scurf, scurfiness, exuviae, morphea, fur, furfur, dandruff, tartar, riffraff, vermin, louse, flea, bug, chinch, mud, mire, quagmire, alluvium, silt, sludge, slime, slush, slosh, sposh, spawn, offal, gurry, lientery, garbage, carrion, excreta, slough, peccant humor, pus, matter, suppuration, lienteria, faeces, feces, excrement, ordure, dung, crap, shit, sewage, sewerage, muck, coprolite, guano, manure, compost, dunghill, colluvies, mixen, midden, bog, laystall, sink, privy, jakes, toilet, john, head, cess, cesspool, sump, sough, cloaca, latrines, drain, sewer, common sewer, Cloacina, dust hole, sty, pigsty, lair, den, Augean stable, sink of corruption, slum, rookery, dirty, filthy, grimy, unclean, impure, soiled, not to be handled with kid gloves, dusty, snuffy, smutty, sooty, smoky, thick, turbid, dreggy, slimy, mussy, slovenly, untidy, messy, uncleanly, unkempt, sluttish, dowdy, draggle-tailed, uncombed, unscoured, unswept, unwiped, unwashed, unstrained, unpurified, squalid, lutose, slammocky, slummocky, sozzly, nasty, coarse, foul, offensive, abominable, beastly, reeky, reechy, fetid, decayed, moldy, musty, mildewed, rusty, moth-eaten, mucid, rancid, weak, bad, gone bad, etercoral, lentiginous, touched, fusty, effete, reasty, rotten, corrupt, tainted, high, flyblown, maggoty, putrid, putrefactive, putrescent, putrefied, saprogenic, saprogenous, purulent, carious, peccant, fecal, feculent, stercoraceous, excrementitious, scurfy, scurvy, impetiginous, gory, bloody, rotting, rotten as a pear, rotten as cheese, crapulous, gross, fimetarious, fimicolous, they that touch pitch will be defiled.

N  relinquishment, abandonment, desertion, defection, secession, withdrawal, cave of Adullam, nolle prosequi, discontinuance, renunciation, abrogation, resignation, desuetude, cession, unpursued, relinquished, relinquishing, Int, avast!, aufgeschoben ist nicht aufgehoben, entbehre gern was du nicht hast, relinquishment, abandonment, renunciation, expropriation, dereliction, cession, surrender, dispensation, quitclaim deed, resignation, riddance, derelict, foundling, jetsam, waif, discards, culls, rejects, garbage, refuse, rubbish, relinquished, cast off, derelict, unowned, unappropriated, unculled, left, Int, away with!.

N  worthlessness, valuelessness, lack of value, uselessness, cheapness, shoddiness, low quality, poor quality, trash, garbage, worthless, valueless, useless, cheap, shoddy, slapdash, inexpensive, not worth the paper it's printed on, not worth a sou.

N  meaninglessness, unmeaningness, scrabble, empty sound, dead letter, vox et praeterea nihil, a tale told by an idiot, full of sound and fury, signifying nothing, sounding brass and a tinkling cymbal, nonsense, utter nonsense, gibberish, jargon, jabber, mere words, hocus-pocus, fustian, rant, bombast, balderdash, palaver, flummery, verbiage, babble, baverdage, baragouin, platitude, niaiserie, inanity, flap-doodle, rigmarole, rodomontade, truism, nugae canorae, twaddle, twattle, fudge, trash, garbage, humbug, poppy-cock, stuff, stuff and nonsense, bosh, rubbish, moonshine, wish-wash, fiddle- faddle, absurdity, vagueness, boilerplate, clich_¬, unmeaning, meaningless, senseless, nonsensical, void of sense, inexpressive, unexpressive, vacant, not significant, insignificant, trashy, washy, trumpery, trivial, fiddle-faddle, twaddling, quibbling, unmeant, not expressed, tacit, inexpressible, undefinable, incommunicable.

garbage can, garbage carter, garbage collection, garbage collector, garbage disposal, garbage down, garbage dump, garbage hauler, garbage heap, garbage man, garbage pickup, garbage truck