The lexical approach is a method of teaching foreign languages described by M. Lewis in the 1990s. The basic concept on which this approach rests is the idea that an important part of learning a language consists of being able to understand and produce lexical phrases as chunks. Students are thought to be able to perceive patterns of language (grammar) as well as have meaningful set uses of words at their disposal when they are taught in this way.
In the lexical approach, instruction focuses on fixed expressions that occur frequently in dialogues, which Lewis claims make up a larger part of discourse than unique phrases and sentences. Vocabulary is prized over grammar per se in this approach. The teaching of chunks and set phrases has become common in English as a foreign or second language, though this is not necessarily primarily due to the Lexical Approach.