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1.
an incorrect spelling of psychedelic
its psychedelic... with an e
by fecal matter March 14, 2005
 
2.
A common misspelling of "psychedelic", typically used by stoners who are too wasted to read books.
What a bummer! I tried to download "Alan's Psychadelic Breakfast" from iTunes, but I couldn't find it.
by A. Nonny Muss July 03, 2006
 
3.
Very cool, hip, far out, amazing, colorful
"Wow, that sunset's psychadelic, man."
by gneeinabottle March 03, 2009
 
4.
A type of music that arose in the mid to late 1960s largely through the influence of hallucunogic drugs such as LSD-25 and suchlike. Pioneers of this musical style included the Beatles, with their most psychadelic works including "Tomorrow Never Knows," one of the first real songs of this musical genre in 1966 as the last song on the largely conventional "Revolver" album. Other bands to embrace this new style include Pink Floyd, Jefferson Airplane, the Grateful Dead, the Doors and countless others. It was with the release of the Beatles 1967 LP Sergeant Pepper's Lonely Hearts Club Band that bands began to experiment with new music, now that the rules had been broken forever....
The Acid-soaked piano sound on Pink Floyd's "See Emily Play" is one of the greatestpsychadelic works to date
by MG October 28, 2003