DIFFICULT

[adjective] - needing skill or effort; not easya difficult problem/choice/task/language/bookDiagnosis of the illness is notoriously/fiendishly difficult.It will be very difficult to prove that they are guilty.The manager is difficult to deal with/a difficult person to deal with.Many things make it difficult for women to reach the top in US business.He finds it extremely difficult being a single parent.His wife is a very difficult person (= behaves in a way that makes it not easy to have a relationship with her).Please children, don't be so difficult (= badly behaved)!