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English definition of “problem”

problem

noun     /ˈprɒbləm/
DIFFICULT SITUATION [C] A1 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.Difficult situations and unpleasant experiencesAccidents and disasters
MATHEMATICS [C] a question that you use mathematics to solveCalculations and calculatingAddition, subtraction, multiplication and division
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.Not liking
No problem. A2 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."Words and phrases expressing agreement and acceptance A2 something that you say when someone has thanked you for something: "Thanks for taking me home." "No problem."Polite expressions
(Definition of problem noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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