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conundrum

American  
[kuh-nuhn-druhm] / kəˈnʌn drəm /

noun

  1. a riddle, the answer to which involves a pun or play on words, as What is black and white and read all over? A newspaper.

  2. anything that puzzles.

conundrum British  
/ kəˈnʌndrəm /

noun

  1. a riddle, esp one whose answer makes a play on words

  2. a puzzling question or problem

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of conundrum

First recorded in 1590–1600; pseudo-Latin word of obscure origin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.