In this paper, the notion of transdisciplinarity in the field of Applied Linguistics is discussed in light of the notions of third space and dereterritorialization, in an attempt to develop a theoretical project which had no alternative but to be multiterritorial. Based on the idea brought from Geography that every process of deterritorialization means a reterritorialization on new bases, it is stated that a full transdisciplinarity is not possible. However, it does not mean that the transdisciplinarity should not be approached as an epistemological alternative to deal with the complexity of the contemporary world.
transdisciplinarity; third space; dereterritorialization; Applied Linguistics