woo-woo adj. concerned with emotions, mysticism, or spiritualism; other than rational or scientific; mysterious; new agey. Also n., a person who has mystical or new age beliefs. (source: Double-Tongued Dictionary)
Further reading
Does language acquisition correspond with being ambidextrous? A woman notices her polyglot husband takes notes with his right hand for certain languages, then switches to his left for other ones. And: What’s the difference between an orchard...
Liam from San Francisco, California, is wondering about woo-woo. How did this term come to be an adjective describing beliefs or practices considered unscientific or irrational? Woo-woo likely imitates otherworldly sounds or ghostly moans. This is...
2005 Peggy Noonan in her book, John Paul the Great p.57 “These stories are captivating in a woo-woo kind of way.”
I looked the word up on your site as I was not familiar with it. Thanks.