The term "latest wrinkle" means the most recent or innovative approach to something. Synonyms for this phrase include cutting edge, newfangled, modern, innovative, novel, fresh, original, trendy, hip, and revolutionary. These words all convey a sense of newness and advancement, implying that the latest wrinkle represents a departure from traditional ways of thinking and doing things. Depending on the context, other synonyms for this phrase might include the newest development, the latest improvement, or the most recent trend. Whatever the case, the phrase "latest wrinkle" connotes progress and innovation, suggesting that something exciting and potentially game-changing is on the horizon.