Wow,there's a conundrum......

.... abstruseness, brain twister, brainteaser, charade, chiller, cliffhanger, closed book, conundrum, crux, cryptogram, difficulty, enigma, grabber, inscrutability, inscrutableness, mind-boggler, mystification, occult, oracle, perplexity, poser, problem, puzzle, puzzlement, question, rebus, riddle, rune, secrecy, sixty-four-dollar question, sphinx, stickler, stumper, subtlety, teaser, thriller, twister, unfathomableness, who-done-it, why?

Posted By: big_erics_shin, Nov 17, 14:40:59