The word "un-pliabler" means inflexible or not easily bent. Some of its antonyms include malleable, flexible, pliable, and bendable. Malleable means easily shaped or formed, flexible means able to bend without breaking, pliable means easily bent or shaped, and bendable means able to be bent without breaking. Other antonyms for "un-pliabler" include supple, adaptable, elastic, yielding, and ductile. Supple means easily bent or flexible, adaptable means capable of adapting or adjusting to new circumstances, elastic means able to stretch or spring back into shape, yielding means easily influenced or persuaded, and ductile means able to be drawn into a wire or hammered thin without breaking.