Super Sonics, a phrase that is typically used to describe an object or activity that is faster than the speed of sound, can be substituted with a variety of synonyms. Some synonyms for Super Sonics include supersonic, hypersonic, sonic boom, and sound barrier. Supersonic refers to a speed that is faster than the speed of sound, while hypersonic is an even faster speed that is beyond the speed of sound. A sonic boom is the sound produced by an object traveling through the air faster than the speed of sound and the sound barrier refers to the hypothetical barrier that exists between an object moving through the air and the atmosphere it is moving through.