Polyphony is the use of multiple simultaneous sounds or musical lines. Polyphonically is an adverb that describes something being done in a polyphonic manner. Synonyms for polyphonically include: harmonically, simultaneously, sonorously, melodically, musically, and contrapuntally. Each of these terms refers to the use of multiple sounds or lines to create a cohesive and complex musical texture. Whether referring to the use of multiple voices in a choir or the layering of instruments in an orchestra, polyphony is a key element of musical composition. So, whether you're discussing polyphonic music or describing the way in which different sounds are combined, there are many ways to express the idea of polyphony.