THESAURUS
Lifeless
abeyant, abiotic, apathetic, arid, asleep, asleep in Jesus, at rest, azoic, bare, barren, benumbed, bereft of life, blah, blank, blase, bleak, bloodless, bored, boring, breathless, called home, carrion, cataleptic, catatonic, characterless, cold, colorless, croaked, dead, dead and gone, deadened, death-struck, debilitated, deceased, defunct, demised, departed, departed this life, desert, desolate, destitute of life, dismal, done for, dopey, dormant, drab, draggy, drearisome, dreary, droopy, drugged, dry, dryasdust, dull, dumb, dusty, effete, elephantine, empty, enervated, etiolated, exanimate, extinct, fade, fallen, finished, flat, food for worms, foul, gone, gone to glory, gone west, groggy, heavy, hebetudinous, ho-hum, hollow, in abeyance, in suspense, inactive, inane, inanimate, inanimated, inert, inexcitable, insensate, insensible, insentient, insipid, jaded, jejune, lackadaisical, lackluster, languid, languorous, late, late lamented, latent, launched into eternity, leaden, lethargic, listless, logy, low-spirited, lumpish, lusterless, martyred, mat, moribund, mute, no more, nonconscious, nonliving, numb, pale, pallid, passed on, passive, pedestrian, phlegmatic, plodding, pointless, poky, ponderous, pooped, prosaic, prosy, pushing up daisies, released, reposing, resting easy, sainted, sated, sedentary, senseless, slack, sleeping, sleepy, slow, sluggish, slumbering, smitten with death, smoldering, solemn, somber, somnolent, soulless, spiritless, stagnant, stagnating, stale, standing, static, sterile, stiff, still, stillborn, stodgy, stuffy, stultified, superficial, supine, suspended, taken away, taken off, tame, tasteless, tedious, tiresome, torpid, unanimated, unaroused, unconscious, unfeeling, uninhabited, uninteresting, unlively, unmoving, unoccupied, vapid, vegetable, vegetative, wan, waste, weary, with the Lord, with the saints, without life, without vital functions, wooden, world-weary
ROGET THESAURUS
Lifeless
Physical Inertness
N
physical inertness, inertness, dullness, inertia, vis inertiae, inertion, inactivity, torpor, languor, quiescence, latency, inaction, passivity, mental inertness, sloth, inexcitability, irresolution, obstinacy, permanence, rare gas, paraffin, noble metal, unreactivity, inert, inactive, passive, torpid, sluggish, dull, heavy, flat, slack, tame, slow, blunt, unreactive, lifeless, dead, uninfluential, latent, dormant, smoldering, unexerted, inactively, in suspense, in abeyance.
Death
N
death, decease, demise, dissolution, departure, obit, release, rest, quietus, fall, loss, bereavement, mortality, morbidity, end of life &c, cessation of life &c, loss of life, extinction of life, ebb of life, death warrant, death watch, death rattle, death bed, stroke of death, agonies of death, shades of death, valley of death, jaws of death, hand of death, last breath, last gasp, last agonies, dying day, dying breath, dying agonies, chant du cygne, rigor mortis, Stygian shore, King of terrors, King Death, Death, doom, Hell's grim Tyrant, euthanasia, break up of the system, natural death, natural decay, sudden death, violent death, untimely end, watery grave, debt of nature, suffocation, asphyxia, fatal disease, death blow, necrology, bills of mortality, obituary, death song, dead, lifeless, deceased, demised, departed, defunct, extinct, late, gone, no more, exanimate, inanimate, out of the world, taken off, released, departed this life, dead and gone, dead as a doornail, dead as a doorpost, dead as a mutton, dead as a herring, dead as nits, launched into eternity, gone to one's eternal reward, gone to meet one's maker, pushing up daisies, gathered to one's fathers, numbered with the dead, dying, moribund, morient, hippocratic, in articulo, in extremis, in the jaws of death, in the agony of death, going off, aux abois, one one's last legs, on one's death bed, at the point of death, at death's door, at the last gasp, near one's end, given over, booked, with one foot in the grave, tottering on the brink of the grave, stillborn, mortuary, deadly, post obit, post mortem, life ebbs, life fails, life hangs by a thread, one's days are numbered, one's hour is come, one's race is run, one's doom is sealed, Death knocks at the door, Death stares one in the face, the breath is out of the body, the grave closes over one, sic itur ad astra, de mortuis nil nisi bonum, dulce et decorum est pro patria mori, honesta mors turpi vita potior, in adamantine chains shall death be bound, mors ultima linea rerum est, ominia mors aequat, Spake the grisly Terror, the lone couch of this everlasting sleep, nothing is certain but death and taxes.