"Trippier" is an adjective commonly used to describe something that is surreal, mind-bending, or peculiar, often associated with psychedelic experiences. Numerous synonyms can capture the essence of this term. One alternative is "mind-expanding," which conveys the idea of broadening one's thoughts and perceptions. Another is "otherworldly," suggesting a sense of being from a different realm or reality. "Hallucinatory" portrays the notion of inducing vivid and distorted perceptions. Meanwhile, "whimsical" embodies a playful and fantastical quality. Lastly, "enigmatic" alludes to something mysterious or puzzling, captivating the imagination. These synonyms effectively encapsulate the concept of something being "trippier" in various contexts.