- 1. Pertaining to a rather imprecise category of drugs with mainly central nervous system action, and with effects said to be the expansion or heightening of consciousness, e.g., LSD, hashish, mescaline. 2. A hallucinogenic substance, visual display, music, or other sensory stimulus having such action. SYN: hallucinogenic. [psyche- + G. deloo, to manifest]
* * *psy·che·del·ic .sī-kə-'del-ik n a psychedelic drug (as LSD)psychedelic adj1) of, relating to, or being drugs (as LSD) capable of producing abnormal psychic effects (as hallucinations) and sometimes psychotic states2) produced by or associated with the use of psychedelic drugs <a \psychedelic experience>psy·che·del·i·cal·ly -'del-i-k(ə-)lē adv
* * *adj.describing drugs that induce changes in the level of consciousness of the mind. Psychedelic drugs, which include lysergic acid diethylamide (LSD) and cannabis, are hallucinogen and are used legally only for experimental purposes.
* * *psy·che·del·ic (si″kə-delґik) [psyche + Gr. dēlos manifest, evident] 1. pertaining to or characterized by hallucinations, distortions of perception and awareness, and sometimes psychotic-like behavior. 2. a drug that produces such effects.
Medical dictionary. 2011.
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psychedelic — ☆ psychedelic [sī΄kə del′ik ] adj. [< PSYCHE + Gr dēloun, to make manifest] 1. of or causing extreme changes in the conscious mind, as hallucinations, delusions, intensification of awareness and sensory perception, etc. 2. of or associated… … English World dictionary
psychedelic — 1956, of drugs, suggested by H. Osmond in a letter to Aldous Huxley and used by Osmond in a scientific paper published the next year; from Gk. psykhe mind (see PSYCHE (Cf. psyche)) + deloun make visible, reveal, from delos visible, clear.… … Etymology dictionary
psychedelic — [adj] affecting the mind so as to produce vivid visions consciousnessexpanding, crazy*, experimental, freaky*, hallucinatory, hallucinogenic, kaleidoscopic, mind bending*, mind blowing*, mindchanging, mind expanding*, multicolored*, psychoactive … New thesaurus
psychedelic — ► ADJECTIVE 1) (of drugs) producing hallucinations and apparent expansion of consciousness. 2) (of rock music) characterized by musical experimentation and drug related lyrics. 3) having an intense, vivid colour or a swirling abstract pattern.… … English terms dictionary
Psychedelic — Modern psychedelia:: For psychedelics, see psychedelic drug. The word psychedelic is an English term coined from the Greek words for soul, ψυχή ( psyche ), and manifest, δήλος ( delos ). A psychedelic experience is characterized by the perception … Wikipedia
psychedelic — [[t]sa͟ɪkəde̱lɪk[/t]] 1) ADJ GRADED: usu ADJ n Psychedelic means relating to drugs such as LSD which have a strong effect on your mind, often making you see things that are not there. Grof describes his research with psychedelic drugs and the… … English dictionary
psychedelic — I. noun Etymology: irregular from psych + Greek dēloun to show, from dēlos evident; akin to Sanskrit dīdeti it shines, Latin dies day more at deity Date: 1956 a psychedelic drug (as LSD) II. adjective Date: 1957 1. a. of, re … New Collegiate Dictionary
psychedelic — Also referred to as psychedelic drug, psychedelic substance, hallucinogen, hallucinogenic drug, hallucinogenic substance, magicum, pseudo hallucinogen, illusinogen, mysticomimetic, phanerothyme, psychotic, psychotomimetic, phantasticum, and… … Dictionary of Hallucinations
psychedelic — psy|che|del|ic [ˌsaıkıˈdelık] adj [usually before noun] [Date: 1900 2000; : Greek; Origin: psych ( PSYCH ) + deloun to show ] 1.) psychedelic drugs such as ↑LSD make you ↑hallucinate (=see things that do not exist) 2.) having or using bright… … Dictionary of contemporary English
psychedelic — psychedelically, adv. /suy ki del ik/, adj. 1. of or noting a mental state characterized by a profound sense of intensified sensory perception, sometimes accompanied by severe perceptual distortion and hallucinations and by extreme feelings of… … Universalium