Understanding Morphology provides an accessible introduction to morphology, the study of word structure, and presents a clear overview of the major theoretical debates in this growing field, including a balanced comparison of the main approaches to morphological structure. Fully updated throughout, this third edition also features discussion of morphological phenomena from a wide variety of the world's languages; presentation of the interfaces between morphology and syntax, and between morphology and phonology; and accompanying online materials. Understanding Morphology is the ideal book for both students of linguistics and researchers in morphology seeking a clear overview of the subject.