First Known Use: 1956
Dictionary
1psychedelic
noun psy·che·del·ic \ˌsī-kə-ˈde-lik\
: a psychedelic drug (such as LSD)
Full Definition of PSYCHEDELIC
: a psychedelic drug (as LSD)
See psychedelic defined for English-language learners
Origin of PSYCHEDELIC
irregular from psych- + Greek dēloun to show, from dēlos evident; akin to Sanskrit dīdeti it shines, Latin dies day — more at deity
Rhymes with PSYCHEDELIC
2psychedelic
adjective
—used to describe a drug (such as LSD) that affects your thinking and causes you to see things that are not real
: caused by the use of psychedelic drugs
: suggesting the effects of psychedelic drugs by having bright colors, strange sounds, etc.
Full Definition of PSYCHEDELIC
1
2
: imitating, suggestive of, or reproducing effects (as distorted or bizarre images or sounds) resembling those produced by psychedelic drugs <psychedelic color schemes>
— psy·che·del·i·cal·ly \-ˈde-li-k(ə-)lē\ adverb
See psychedelic defined for English-language learners
See psychedelic defined for kids
First Known Use of PSYCHEDELIC
1957
Learn More About PSYCHEDELIC
Browse
Next Word in the Dictionary: Psyche knotPrevious Word in the Dictionary: psychedeliaAll Words Near: psychedelic
ADVERTISEMENT
Seen & Heard
What made you want to look up psychedelic? Please tell us where you read or heard it (including the quote, if possible).