We don't have synonyms for woo-woo yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are woo woo and woo-hoo.
(adj) :
Alternative spelling of woo woo. [(slang, derogatory) Supernatural, pseudoscientific.]
(n) :
Alternative spelling of woo woo. [(countable, slang, derogatory) A person readily accepting supernatural, paranormal, occult, or pseudoscientific phenomena, or emotion-based beliefs and explanations.]
(adj) :
Alternative spelling of woo woo. [(slang, derogatory) Supernatural, pseudoscientific.]
(n) :
Alternative spelling of woo woo. [(countable, slang, derogatory) A person readily accepting supernatural, paranormal, occult, or pseudoscientific phenomena, or emotion-based beliefs and explanations.]