UX Lex

What Is UX Lex?

UX Lex is a free, interactive glossary of terminology used in UX research and related fields. Developed collaboratively by UX professionals from around the globe, it addresses a critical gap in the industry: the lack of standardized definitions for commonly used terms. The glossary began with UX research vocabulary and has since expanded to include market research terminology. As an educational resource, UX Lex helps designers, researchers, and teams establish shared language and reduce miscommunication around methodology, tools, and concepts.

What UX Lex Does

• Provides crowdsourced definitions of UX research terms, methods, and tools created with input from UX professionals worldwide
• Offers an acronym decoder that clarifies the growing list of acronyms used across UX and design disciplines
• Includes supplementary links and resources—articles and videos—for each term to support deeper learning
• Allows community contributions through a feedback function, enabling users to suggest new terms or improve existing definitions
• Organizes terms alphabetically for easy browsing and reference during research, design, and planning phases

How UX Lex Can Be Used

UX Lex serves as a reference tool across the design and research workflow. Teams can use it to align on terminology before starting a project, ensuring stakeholders share the same understanding of methods like "card sorting" or "contextual inquiry." Researchers and designers reference it when reading case studies or collaborating with colleagues who may use different terms for the same concept. Students and early-career professionals use UX Lex to build foundational knowledge of UX vocabulary. It is particularly valuable in remote or distributed teams where miscommunication about methodology is common, and in organizations standardizing their research and design processes.

Who Is UX Lex For?

UX Lex is designed for UX researchers, user experience designers, design leaders, product managers, and anyone involved in user-centered design and research. It is useful for professionals at all experience levels—from students entering the field to practitioners seeking clarity on evolving terminology. Teams working across disciplines, including those blending UX and market research, benefit from the shared language UX Lex provides. The resource is also valuable for clients and stakeholders who need to understand UX-specific terminology when working with design teams. Visit UX Lex