“Problematic” is a C1 level adjective that candidates may come across in their B2 First exam, and it certainly a word that they can use to show their range of vocabulary in the speaking and writing paper. It is used to describe something that has a lot of problems or difficulties.
Deciding which subject to study at university can be very (1)…… for a lot of people.
Examiner: “How do you think the government can help people become healthier?”
Candidate: “Well, I don’t think it is easy, especially when it comes to eating. Many people are addicted to unhealthy food and changing this habit can be very problematic…”