[noun] [C] - a situation, person or thing that needs attention and needs to be dealt with or solvedOur main problem is lack of cash.No one has solved the problem of what to do with radioactive waste.The very high rate of inflation poses/presents (= is) a serious problem for the government.The city faces worsening social and economic problems.When is the government going to tackle (= deal with) the problem of poverty in the inner cities?Modern educational theory stresses the importance of developing the problem-solving capacity of children.Did you have any problems (= difficulties) getting here? [+ verb-ing]If someone has a drink/drinking problem, they have a habit of drinking too much alcohol which they cannot control.If someone has a weight problem, they have a habit of eating too much and are too fat.A problem child/person finds it difficult to have good relationships and behaves badly as a result.A problem is also a question in mathematics which needs an answer.In the maths lesson, the children were given problems to solve.(informal) If someone asks if you will do something and you answer no problem, you mean that you will do it."Can you get me to the station by 11.30?" "No problem."(informal) If someone thanks you for something you have done for them and you answer no problem, you mean that it did not cause you much trouble to do it."Oh, how kind of you!" "No problem."
Meaning of PROBLEM in English
Cambridge English vocab. Кембриджский английский словарь. 2012