Synonyms for Inanimate:

adj.

dead (adjective)
lost, departed, at rest, deceased, at peace, unresponsive, late.
depressed (adjective)
spiritless.
inactive (adjective)
dull, spiritless.
indifferent (adjective)
insensible.
inert (adjective)
insensible, listless, inert, motionless, catatonic, Reposing, inactive, idle, sedentary, comatose, still, lethargic, lifeless, passive, dormant, stagnant, static, paralytic, vegetative, sluggish, languid, languorous, stationary, apathetic, immobile.
motionless (adjective)
at rest.
non-living (adjective)
deceased, inorganic, non-living, lifeless, dead.
not alive, not organic (adjective)
inactive, spiritless, inert, mineral, idle, insentient, dull, lifeless, dead, motionless, insensate.

n.

inanimate (noun)
dead, nonconscious, nonliving, pulseless, breathless.
inorganic (noun)
mineral.

Other synonyms:

insentient. insensate. Other relevant words:
departed, breathless, insensate, dull, insentient, pulseless, spiritless, lost, mineral, late, nonliving, at rest, nonconscious.

Usage examples for inanimate

  1. I never thought of the cracks and-" with a little, low, excited laugh-" the 'total depravity of inanimate things, ' till- just a little while ago." – We Girls: A Home Story by Mrs. A. D. T. Whitney
  2. May we not say that all the marks or characteristics of a living body which distinguish it in our experience from an inanimate body, are of a non- scientific character, or outside the sphere of experimental science? – The Breath of Life by John Burroughs
  3. The total depravity of inanimate things. – Divers Women by Pansy and Mrs. C.M. Livingston