1. 
[syn: inanimate, nonliving, non-living]
The Collaborative International Dictionary of English v.0.48:
nonliving \nonliving\ adj.
   Not endowed with life; same as inanimate. Opposite of
   living and animate.
   Syn: inanimate.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
nonliving
    adj 1: not endowed with life; "the inorganic world is
           inanimate"; "inanimate objects" [syn: inanimate,
           nonliving, non-living] [ant: animate]
Moby Thesaurus II by Grady Ward, 1.0:
18 Moby Thesaurus words for "nonliving":
   abiotic, azoic, dumb, exanimate, inanimate, inanimated, inert,
   insensate, insensible, insentient, lifeless, mute, nonconscious,
   senseless, soulless, unanimated, unconscious, unfeeling