woo-woo

adjective \ ˈwü-ˌwü \

Definition of woo-woo

:dubiously or outlandishly mystical, supernatural, or unscientific
  • And she has written a book … in which she dismisses what she calls "woo-woo spirituality" in favor of some straight talk on living with loss …
  • —Linda Richman
  • Energy beams from the eyes certainly sounds like woo-woo stuff …
  • —Steve Blow

woo-woo

noun
    • One man's woo-woo, of course, is another's deeply held belief system.
    • —Julia Moskin

Origin and Etymology of woo-woo

probably from the interjection woo-woo as a conventional representation of an eerie or ghostly sound


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to suppress quietly or indirectly

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