Synonyms of 'psychedelic'
1 hallucinogenicDictionary, mind-blowing (informal), psychoactiveexperimenting with psychedelic drugs
They had not been the first to experiment with hallucinogenic drugs.
2 multicolouredDictionary, wild, crazy (informal)psychedelic patterns
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I know it sounds a crazy idea, but hear me out.
potty (British, informal)
cockamamie (slang, US)
porangi (New Zealand)
If someone or something is freaky, they are very unusual in some way.
This guy bore a really freaky resemblance to Jones.
Thesaurus for psychedelic from the Collins English Thesaurus
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.