Abstract
The development of oral communication skills is a fundamental component of language acquisition. Among the elements that contribute to effective spoken discourse, the acquisition and application of advanced vocabulary play a critical role. This article explores the importance of sophisticated lexical knowledge in enhancing speaking abilities, identifies common challenges associated with its use, and outlines evidence-based strategies to facilitate the integration of advanced vocabulary into spontaneous speech. The findings underscore the correlation between lexical richness and communicative competence, particularly in academic, professional, and formal contexts. This article is devoted the importance of advanced vocabulary in speaking, its benefits, challenges, and strategies for effective usage in English language.