(~s)
A ~ is a problem or puzzle which is difficult or impossible to solve. (FORMAL)
...this theological ~ of the existence of evil and suffering in a world created by a good God.
N-COUNT
(~s)
A ~ is a problem or puzzle which is difficult or impossible to solve. (FORMAL)
...this theological ~ of the existence of evil and suffering in a world created by a good God.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012