motionless

from WordNet (r) 3.0 (2006)

motionless
    adj 1: not in physical motion; "the inertia of an object at
           rest" [syn: {inactive}, {motionless}, {static}, {still}]

from The Collaborative International Dictionary of English v.0.48

Motionless \Mo"tion*less\, a.
   Without motion; being at rest.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

47 Moby Thesaurus words for "motionless":
      at a standstill, at anchor, contemplative, dead-still, do-nothing,
      dormant, fixed, idle, immobile, immotile, immotive, immovable,
      inactive, inert, irremovable, laissez-aller, laissez-faire,
      meditative, moveless, neuter, neutral, out of commission,
      paralytic, paralyzed, passive, procrastinating, quiescent,
      quietist, quietistic, riding at anchor, sedentary, stagnant,
      stagnating, standpat, static, stationary, statuelike, steadfast,
      still, stock-still, unactive, unemployed, unmovable, unmoved,
      unmoving, vegetable, vegetative