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English definition of “problem”

problem

noun [C]  /ˈprɑb·ləm/ us  
something that causes difficulty or that is hard to deal with: Financing the camp’s athletic program is a problem. He has a serious health problem. I’m having problems with my in-laws again. mathematics A problem is also a question to be answered or solved, esp. by reasoning or calculating: math problems
(Definition of problem from the Cambridge Academic Content Dictionary © Cambridge University Press)
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