Refers to occult phenomena, supernatural topics, or mystical practices. Often used as a noun or adjectival noun (e.g., オカルトな話).
彼はオカルトに詳しい。
He is knowledgeable about the occult.
その映画はオカルトな雰囲気がある。
That movie has an occult atmosphere.
He was obsessed with the occult when he was in high school.
She's the type who doesn't believe in the occult.
It's said that occult phenomena often occur in that village.
That story has strong occult elements.