English

Definition of conundrum noun from the Oxford Advanced Learner's Dictionary

     

    conundrum

     noun
    noun
    BrE BrE//kəˈnʌndrəm//
     
    ; NAmE NAmE//kəˈnʌndrəm//
     
     
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  1. 1a confusing problem or question that is very difficult to solve The role of clouds is one of the big conundrums of climatology.
  2. 2a question, usually involving a trick with words, that you ask for fun synonym riddle
  3. Word Origin late 16th cent.: of unknown origin, but first recorded in a work by Thomas Nashe, as a term of abuse for an eccentric or pedant, later coming to denote a whim or fancy, also a pun. Current senses date from the late 17th cent.
See the Oxford Advanced American Dictionary entry: conundrum