What is another word for "lifeless"?

Roget's Thesaurus (1911) lists these synonyms for "lifeless": abeyance, blunt, dead, dormant, dull, dullness, fire, flat, gas, hang, heavy, inaction, inactive, inactively, inactivity, inert, inertia, inertion, inertness, inexcitability, irresolution, languor, latency, latent, mental, metal, noble, obstinacy, paraffin, passive, passivity, permanence, quiescence, rare, slack, sloth, slow, sluggish, smolder, smoldering.