(of drugs )藥物 causing the user to see and hear things that are not there or that do not exist (= to hallucinate) 引起幻覺的;使人精神恍惚的 (of art, music, clothes, etc. )藝術、音樂、服裝等 having bright colours, strange sounds, etc. like those that are experienced when taking psychedelic drugs 産生迷幻效果的
Word Origin1950s: formed irregularly from psyche + Greek dēlos ‘clear, manifest’ + -ic.