What is another word for heaven knows what?
Pronunciation: [hˈɛvən nˈə͡ʊz wˈɒt] (IPA) 
The phrase "heaven knows what" is often used to express uncertainty about a situation or to describe something that is unclear or unknown. Some common synonyms for this phrase include "who knows what," "goodness knows what," and "no telling what." These expressions all indicate a sense of mystery or unpredictability, and can be used in a variety of contexts. Other related terms include "mystery," "enigma," and "uncertainty," which all suggest something that is not easily understood or explained. Whether you're talking about a puzzling situation or a vague notion, there are many words and phrases you can use to convey a sense of confusion or ambiguity.
