Dilemma is a situation that requires a choice between undesirable options.
- The chairperson is caught in a dilemma between lying and admitting he embezzled the money.
Problem is a situation, matter, or person that presents perplexity or difficulty.
- They have a problem with the supervisor’s leadership.
Quandary is a situation that requires a choice between more than two things.
- We’re in a quandary about which one of the three films would we enjoy most.