nonelastic

from The Collaborative International Dictionary of English v.0.48

Nonelastic \Non`e*las"tic\, a.
   Not having elasticity; not able to be stretched reversibly.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "nonelastic":
      adamant, adamantine, immovable, immutable, inductile, inelastic,
      inextensible, inextensile, inextensional, inflexible, intractable,
      intractile, irresilient, nonstretchable, stubborn, unalterable,
      unbending, unextendible, unextensible, unflexible, ungiving,
      unlimber, unmalleable, unpliable, unpliant, untractable,
      unyielding