'Conundrum' definitions:

Definition of 'conundrum'

From: WordNet
noun
A difficult problem [syn: riddle, conundrum, enigma, brain-teaser]

Definition of 'Conundrum'

From: GCIDE
  • Conundrum \Co*nun"drum\, n. [Origin unknown.]
  • 1. A kind of riddle based upon some fanciful or fantastic resemblance between things quite unlike; a puzzling question, of which the answer is or involves a pun. [1913 Webster]
  • Or pun ambiguous, or conundrum quaint. --J. Philips. [1913 Webster]
  • 2. A question to which only a conjectural answer can be made. [1913 Webster]
  • Do you think life is long enough to let me speculate on conundrums like that? --W. Black. [1913 Webster]