Synonyms of dead

1 Syllable
numb, stiff, feyer, fey, cold, démodé, passé, gone, spent, slain, out, late
2 Syllables
prosaic, yawner, run-off, wearier, stagnant, wiped-out, drained, lapsed, inert, ho-hum, empty, smack-dab, emptiest, stock-still, buried, deathful, breathless, hohum, azoic, defunct, extinct, old-hat, boring, emptier, well-worn, wearied, played-out, burnt-out, far-gone, done-in, proser, has-been, old-school, offed, weary, dead-beat, sombre, asleep, prosy, kaput, prosier, subfusc, bloodless, vapid, wasted, weariest, passer
3 Syllables
hicksville, insipid, departed, nonextant, reposing, mortified, weariful, inconscious, dinosaur, uncurious, bone-tired, lifeless, outmoded, stuporous, fatigued, ungrounded, bygone, demoded, old-fangled, cliché-ridden, unstylish, insentient, expired, lineally, lusterless, mineral, lackluster, sterile, disused, bone-weary, tuckered, dead-tired, dog-weary, perished, dullsville, motionless, erased, directly, deadlocked, deceased, unbounded, exhausted, spiritless, disrepair, straightaway
4 Syllables
unexciting, immotile, unreactive, exsanguinous, pokerfaced, inorganic, obsolete, liquidated, uncreative, unprolific, unrelieved, nonreactive, milk-and-water, unratified, contiguously, old-fashioned, nonfunctioning, out-of-style, yesterday's, nonanimal, apoplectic, cadaverous, out-of-fashion, overtired, expressionless, comatose, unswervingly, sanitized, nonexistent, characterless
5 Syllables
uninventive, unremembered, unanimated, unenforceable, exanimate, anesthetized, nonvegetable, unsusceptible, inanimate, anachronistic
6 Syllables
unimpressionable