A prefix is a group of letters, usually from another language such as Latin or Greek, that we find at the beginning of a root word. Each prefix has a basic meaning that modifies the general idea of the root word. Some prefixes have more than one meaning. You need to learn the most common prefixes and their basic meanings. This knowledge will help you learn new vocabulary more quickly.
My Suggestion: Click on the link below. Read and study the material on prefixes and then study the lists to learn the meanings of common prefixes used in English words.
List of Prefixes at Englishhints.com
