Silly Putty is a popular toy that has been around since the 1950s. It is a stretchy, bouncy material that can be shaped and molded into all sorts of different forms. However, sometimes you might want to mix things up and use a different word to describe this fun toy. Here are a few synonyms you can use instead of Silly Putty: gooey goop, wobbly putty, squishy slime, stretchy slime, pliable playdough, bouncy plasticine, sticky tacky, and bendable clay. Whatever word you choose to use, just know that Silly Putty, in all its fun and malleable glory, will always elicit smiles and joy from adults and kids alike.