What is another word for "flexible"?

Roget's Thesaurus (1911) lists these synonyms for "flexible": air, amianth, amianthus, annihilator, asbestos, attic, back, baleen, benumb, bite, bounce, box, brigade, buoyancy, buoyant, burn, caoutchouc, central, chatter, chill, congeal, congelation, conglaciation, cool, cooling, cut, damp, density, distend, ductile, earth, elastic, elasticity, extend, extinguish, fan, fire, fireman, flax, flex.