This course is about constructed languages (those deliberately created for artistic or political purposes; think Elvish or Esperanto) and how they relate to or differ from natural languages (which arise spontaneously in human communities; think English or Ewe). By studying and analyzing variation in natural languages, we will learn to appreciate language constructors’ aesthetic, ethical, and philosophical intentions. We will survey the history and properties of existing constructed languages, as well as collaboratively construct our own class language, providing hands-on experience with language creation and diverse grammatical structures.