prepsychedelic

adjective

pre·​psy·​che·​del·​ic ˌprē-ˌsī-kə-ˈde-lik 

variants or pre-psychedelic

: of, relating to, characteristic of, or being a time before the psychedelic period of the mid- to late-1960s

prepsychedelic rock

the prepsychedelic era

the band's pre-psychedelic days

The groovy old pre-psychedelic sign above the door was losing letters …

—Edward Sanders

Pre-psychedelic nostalgia: It was a happier time when the Turtles, the Buckinghams and Gary Lewis and the Playboys were having hits in the pre-psychedelic mid-'60s.

—Bruce Fessier

Word History

First Known Use

1967, in the meaning defined above