Dictionnaire critique et raisonné du langage vicieux ou réputé vicieux

"Dictionnaire critique et raisonné du langage vicieux ou réputé vicieux" by Platt is a linguistic reference work written in the early 19th century. This dictionary aims to address and correct common errors and misuses in the French language, focusing particularly on expressions deemed as "vicious" or incorrect. It serves as a complementary volume to other grammatical guides, providing concise explanations and corrections for various linguistic mistakes. The opening of the work introduces the author's rationale for addressing the need for proper grammatical instruction among speakers of French. Platt discusses the detrimental effects of language misuse on one's reputation and intellectual influence, arguing that knowledge of grammar is foundational for effective communication. He expresses a desire to create a resource that simplifies the learning process for less educated individuals while maintaining the rigor expected by more knowledgeable audiences. Thus, the introduction sets the stage for a comprehensive lexicon aimed at refining language use across societal classes.