This study examines the phenomenon of diction shift in the Indonesian language across social media platforms such as TikTok, Instagram, WhatsApp, Facebook, and YouTube. The advancement of digital technology and the high frequency of online communication have generated new diction variations that often diverge from standard language norms. The study aims to describe forms of lexical transformation, including semantic shifts, meaning expansion, and the creation of new equivalents. A descriptive qualitative method was employed, with data collected through questionnaires distributed to active social media users and documentation of trending content. The findings indicate that user creativity, popular linguistic styles, and the need for rapid expression contribute to the emergence of new diction patterns in digital spaces. These results emphasize that social media functions as a dynamic environment that accelerates diction transformation in Indonesian within the digital era. Furthermore,preliminary findings indicate that diction shifts are also influenced by users’ tendencies to adjust their language to be more concise, expressive, and easily understood within fast-paced social media communication.
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