| answer to an enigma(expression, secret, puzzle, mystery, riddle) |
| enigma of generations(expression, secret, puzzle, mystery, riddle) |
| enigma wrapped in obscurity(expression, secret, puzzle, mystery, riddle) |
| remain an enigma(expression, secret, puzzle, mystery, riddle) |
| riddle wrapped up in an enigma(expression, secret, puzzle, mystery, riddle) |
| concealment(noun, verb, cover, mind, secret) |
| conundrum(noun, verb, question, puzzle, riddle) |
| paradox(verb, think, twister, brain-teaser) |
| cap(noun, verb, conundrum, stumper, tiring-irons) |
| code(noun, verb, conundrum, stumper, tiring-irons) |
| confidence(noun, conundrum, stumper, tiring-irons, eye teaser) |
| confound(noun, conundrum, stumper, tiring-irons, eye teaser) |
| confuse(noun, conundrum, stumper, tiring-irons, eye teaser) |
| dilemma(noun, conundrum, stumper, tiring-irons, eye teaser) |
| enigmatic scale(expression, question, mysterious, secret, myth) |
| enigmatical canon(expression, question, mysterious, secret, myth) |
| entanglement(noun, verb, conundrum, stumper, tiring-irons) |
| obscure(noun, conundrum, stumper, tiring-irons, eye teaser) |
| oracle(verb, think, twister, brain-teaser) |
| quandary(verb, difficult, twister, brain-teaser) |