This book is a concise glossary of concepts and terms (words, expressions) used to be employed in Christian Ethics and Moral Theology. A Glossary of Key Words in Christian Ethics and Moral Theology consists of succinct exposition in the alphabetic order of the title word or phrase. The major objective of this glossary is to provide definitions accompanied with specialized information about their origins and usage; references are provided to assist the reader in learning more about the terms and those responsible for their development.