Trippy is a slang term that is often used to describe anything surreal, psychedelic or mind-bending. If you're looking for other words to use instead of trippy, there are plenty of options to choose from. Some common synonyms for trippy include hallucinatory, mind-altering, surreal, otherworldly, and psychedelic. Other alternatives include trippin', trippadelic, far-out, and mind-bending. Each of these words captures the essence of trippy in its own unique way, so the choice ultimately depends on your intended tone and audience. Regardless of which synonym you choose to use, just remember that it should accurately convey the unusual and surreal experience you are trying to describe.