Title Page 34. the Concept of Simultaneous Feedback 1. Simultaneous Feedback (sf) 2. from Sf to Fuzzy Sf 3. from Fuzzy Sf to Modern Dictionary Research 40 4. from Modern Dictionary Research to Open Questions

Running head: short title = full title Subject index items: underlined in red 15 Abstract: The concept of Simultaneous Feedback (SF) is introduced, a theoretical framework for the production of modern dictionaries in which the user takes centre stage. During compilation, 20 various types of feedback inform the compilation itself. In its electronic adaptation, Fuzzy SF, the concept can also refer to a type of intelligent and adaptive dictionary in which 25 customization is performed in real time online. In addition to a novel type of (electronic) dictionary, such a reference work also allows for a new type of research into how (electronic) 30 dictionaries are really used.