What is another word for "inelastic"?

Roget's Thesaurus (1911) lists these synonyms for "inelastic": absence, blood, chyle, condense, elasticity, flow, flowing, fluent, fluid, fluidity, gaseity, gravy, humor, hydrodynamics, hydrology, hydrostatics, ichor, ichorous, inelasticity, inflexible, irresilient, juice, juicy, liquefy, liquid, liquidity, liquidness, liquor, lymph, melt, motion, rest, rheum, sanies, sap, sappy, serosity, serous, serum, soft.