Contents: Preface. – Werner Wolski , Introduction. – Herbert Ernst Wiegand , Synonymy and its Role in Monolingual Lexicography. – Thinking about Dictionaries: Current Problems. – Languages for Special Purposes in the Monolingual Dictionary: Criticism, Provocations, and Practical and Pragmatic-oriented Suggestions. – On the Meaning Explanation of Sentence Adverbs in Monolingual Dictionaries: A Contribution to Practical Lexicology. – Synonyms Appearing in Major Alphabetical Dictionaries of Contemporary German. – A New Theory of the So-called Lexicographic Definition. – Elements of a Theory towards a So-called Lexicographic Definition. – Are Most of the Cumulative Dictionaries of Synonyms really Useless Bestsellers? – On the Distinction between Semantic and Encyclopaedic Data in Domain-specific Dictionaries. – Epilogue.