English definition of “problem”
DIFFICULT SITUATION [C] › a situation that causes difficulties and that needs to be dealt with: health problems I'm having problems with my computer. Drugs have become a serious problem in the area.
MATHEMATICS [C] › a question that you use mathematics to solve
have a problem with sth/sb › to find something or someone annoying or offensive: Yes, she can smoke in the house - I don't have a problem with that.
No problem. › something that you say to mean you can or will do what someone has asked you to do: "Can you get me to the airport by 11.30?" "No problem." › something that you say when someone has thanked you for something: "Thanks for taking me home." "No problem."