
Conundrum
Complex Dilemma
Use 'conundrum' for situations that seem unsolvable or very complicated.

Navigating the city's traffic has become a real conundrum.
Intellectual Challenge
A 'conundrum' often involves intellectual effort to deal with, more than physical action.

The philosophical conundrum kept the students in a fierce debate.
Not Always Negative
Although difficult, a 'conundrum' doesn't always imply a negative outcome or frustration.

Solving the conundrum of the missing key was actually quite rewarding.
Compare with
DilemmaEnigmaMysteryPerplexityProblemPuzzleQuandaryRiddle
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