noun Etymology: origin unknown Date: 1645 a riddle whose answer is or involves a pun, 2. a question or problem having only a conjectural answer, an intricate and difficult problem
CONUNDRUM
Meaning of CONUNDRUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012