A comprehensive critical work, Key Concepts in Language and Linguistics is a highly readable A-Z guide to the main terms and concepts used in the study of language and linguistics. Accessible and clearly presented, definitions featured include: terms used in grammatical analysis branches of linguistics from semantics to neurolinguistics approaches used in studying language from critical discourse analysis to systemic linguistics linguistic phenomena from code-switching to conversational implicature language varieties from pidgin to standard language. Tracing the origin of the concept featured and outlining the key associated individuals, each entry also provides a guide to further reading and is extensively cross-referenced. Engaging and easy to use, this is an essential reference guide for undergraduate and postgraduate students, as well as anyone with an interest in this fascinating field.