Lysergic is a word that refers to something that is related to or derived from the psychedelic compound LSD. Some synonyms for lysergic include hallucinogenic, trippy, mind-bending, psychedelic, and psychoactive. These words all describe experiences or substances that alter one's perception of reality, often resulting in vivid and surreal visions or transformations of the senses. Some other synonyms for lysergic include tripping, acid, and lucy, which are all more slang terms for LSD specifically. Overall, these synonyms all capture the essence of the strange and otherworldly experiences that are associated with the lysergic compound and its derivatives.