Main Entry: ¹prob·lem

Pronunciation: \ˈprä-bləm, -b^əm, -ˌblem\

Function: noun

Etymology: Middle English probleme, from Latin problema, from Greek problēma, literally, obstacle, from proballein to throw forward, from pro- forward + ballein to throw — more at pro-, devil

Date: 14th century

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 problem with your saying that>

synonyms see mystery