Diaristic is an adjective that describes something related to diary or journal entries. It is often used to describe a writing style that is personal, introspective, and self-reflective. A few synonyms for diaristic include confessional, intimate, personal, subjective, reflective, and introspective. All of these words carry a similar meaning to diaristic, and can be used interchangeably in many contexts. They can be used to describe various forms of media, including literature, film, and music, that share this personal, autobiographical quality. When used in this way, they can provide a deep and insightful glimpse into the author or creator's inner thoughts, emotions, and experiences.