Meaning of PROBLEM in English

PROBLEM

[prob.lem] n [ME probleme, fr. MF, fr. L problema, fr. Gk problema, lit., obstacle, fr. proballein to throw forward, fr. pro- forward + ballein to throw--more at pro-, devil] (14c) 1 a: a question raised for inquiry, consideration, or solution b: a proposition in mathematics or physics stating something to be done

2. a: an intricate unsettled question b: a source of perplexity, distress, or vexation c: difficulty in understanding or accepting "I have a ~ with your saying that" syn see mystery

[2]problem adj (1894) 1: dealing with a problem of conduct or social relationship "a ~ play"

2: difficult to deal with "a ~ child"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.