The Routledge Handbook of Transdisciplinary Systemic Functional Linguistics offers a groundbreaking exploration of how M.A.K. Halliday's influential work extends beyond traditional linguistic boundaries to address today's most complex problems.

A key barrier to transdisciplinary research is language, whether due to differing terminology or the lack of a shared research vocabulary. This challenge reflects deeper epistemological divides, as language shapes how knowledge is constructed and communicated across disciplines. This collection shows how Systemic Functional Linguistics (SFL) provides effective tools for addressing complex cross-disciplinary issues. Beginning with Halliday’s foundational work, it traces the development of SFL and its applications. The first section highlights how SFL supports meaning-making in areas such as child development and healthcare, emphasizing language’s role in identity. Later sections explore its use in political, cultural, and environmental contexts, as well as in technology and AI. The volume concludes by outlining how language theory can help address critical societal challenges through interdisciplinary collaboration.

This book a valuable resource for students and scholars in applied linguistics, systemic functional linguistics, forensic linguistics, computational linguistics, and language and communication.