What is another word for pernicious enigma?
Pronunciation: [pɜːnˈɪʃəs ɛnˈɪɡmə] (IPA) 
The phrase "pernicious enigma" refers to something that is harmful or destructive while also being puzzling or difficult to understand. There are several synonyms that convey similar meanings, such as "malignant puzzle," "dangerous mystery," "deleterious riddle," "noxious conundrum," or "toxic enigma." These phrases suggest that the subject in question is causing harm or damage in some way, while also being perplexing or obscure. Other possible synonyms might include "perplexing dilemma," "cryptic threat," "ambiguous danger," or "perilous puzzle," all of which emphasize the idea of something being dangerous or harmful while also being difficult to comprehend or resolve.
