conundrum
n.n. a difficult problem or situation that is hard to solve. It is a word you use when you have a tricky choice or a mystery that needs thinking about.
n. a difficult problem or situation for which there is no easy solution. Often used to describe a paradox or a complex dilemma that requires careful thought.
The team faced a difficult conundrum about where to build the new office.
The scientist was stuck with a conundrum: the data supported her theory, but the results were impossible to repeat.
The ethical conundrum of whether to prioritize individual privacy or public safety remains a central debate in modern digital policy.
A word of unknown origin with several variants, gaining popularity for its burlesque imitation of scholastic Latin, as hocus-pocus or panjandrum. If there is more to its origin than a nonce coinage, Anatoly Liberman suggests the best theory is that connecting it with the Conimbricenses, 16th c. scholastic commentaries on Aristotle by the Jesuits of Coimbra which indulge heavily in arguments relying on multiple significations of words.