conundrum kuh-NUN-druhm noun WS #11

a confusing and difficult problem or question; a riddle or puzzle

1. How to reduce pollution while maintaining economic growth is a modern conundrum.
2. She presented us with a mathematical conundrum that seemed impossible to solve.
3. The budget cuts created a conundrum for the school board.
4. The detective faced a real conundrum when both suspects had solid alibis.
5. The philosophical conundrum kept the students debating for hours.