trickyproblem

noun
UK /ˈtrɪki ˈprɒbləm/
US /ˈtrɪki ˈprɑːbləm/

A tricky problem is a puzzle or question that is hard to solve.

Figuring out how to fit all the toys in the box was a tricky problem.


OTHER MEANINGS

2. A situation that needs careful thought to fix.

Sharing one cookie among three friends was a tricky problem.

3. A math question that takes extra thinking.

The last question on the test was a tricky problem about fractions.

4. A hard choice with no easy answer.

Choosing which game to play first was a tricky problem for the kids.