CONUNDRUM


Meaning of CONUNDRUM in English

[ kə'nʌndrəm ]

■ noun ( plural ~s ) a confusing and difficult problem or question.

↘a riddle.

Origin

C16 (in the sense 'a crank or pedant'): of unknown origin.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.