inextensible

from WordNet (r) 3.0 (2006)

inextensible
    adj 1: not extensile [syn: {nonextensile}, {inextensible},
           {nonprotractile}] [ant: {extensible}, {extensile}]

from The Collaborative International Dictionary of English v.0.48

Inextensible \In`ex*ten"si*ble\, a.
   Not capable of being extended; not elastic; as, inextensible
   fibers.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

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

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