sphinx Synonyms

enigma mindboggler tough nut to crack great sphinx chiller brainteaser whodunit brain-teaser mythical creature thriller puzzler twister teaser subtlety stumper stickler secret secrecy awkward problem brain-twister braintwister Great Sphinx of Giza rune riddler riddle abstruseness dragon difficulty cryptogram crux conundrum charade chaos case bewilderment aruspice aruspex argument anubis anagram ambiguity affair grabber harpy rebus question puzzlement puzzle problem poser