This is the 7122nd most frequent Japanese word.
レトロサイケ
"Retoro-saike" (レトロサイケ) refers to "retro-psychedelic," describing a style or aesthetic that combines nostalgic retro elements with psychedelic influences.
In this sentence, "レトロサイケ" is used as a noun describing a style of fashion associated with retro and psychedelic elements.
彼女の服は完全にレトロサイケのスタイルです。
Her clothing completely embodies the retro-psychedelic style.
Here, "レトロサイケ" is used as an adjective modifying "デザイン" to describe designs characterized by retro and psychedelic features.
最近、レトロサイケなデザインがまた流行しています。
Recently, retro-psychedelic designs have become trendy again.
In this case, "レトロサイケ" functions as a thematic concept or aesthetic inspiration for an artistic creation like a movie.