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problem

UK/ˈpɹɒbləm/US/ˈpɹɑbləm/
nounA13 meaningsOne of the most common words in English · #138 of 15,258leans spoken

Other forms: problems

A problem is something wrong that has to be dealt with. The car will not start, the bill is twice what it should be, two families booked the same cottage for August.

In maths a problem is a question set to be worked out, with no trouble attached at all: solve the problem, a word problem, three problems on the board. Watch the small words — a problem WITH something, and you HAVE, SOLVE, FIX, CAUSE or POSE a problem. A person can be the problem: 'he's a problem', 'a problem child'. The adjective is problematic, and the everyday reply 'no problem' answers thanks or a small request. English wants an article here: 'I have a problem', never 'I have problem'.

Definitions of problem

  1. 1nounproblemSomething wrong that needs to be put right.A1~16%

    “There is a problem with the heating in the back rooms.”

  2. 2nounquestionA question set to be worked out, especially in maths.A2~82%

    “The last problem on the sheet took her an hour.”

  3. 3nouncausesA person or thing that causes difficulty.B1~2%

    “Money was never the problem; time was.”

Shares are an estimate: a language model read 18 sentences found in the wild and placed 18 of them on a sense — a count of our sample, not a measurement of English.

problem is a difficulty.

Phrases it lives in

  • no problem — that is fine, or you are welcome
  • have a problem with something — object to it or dislike it

Where it comes from

A problem is something thrown in your path. The Ancient Greek πρόβλημα meant anything thrown forward — a hindrance, an obstacle, even a headland jutting into the sea — from προβάλλω, 'to put something forward', which is προ-, 'in front of', plus βάλλω, 'to throw'. It reached English through Latin problēma and Middle French probleme.

  1. Middle English

    probleme

  2. English, today

    problem

Built from

  • προβάλλω · Ancient Greek — to throw or lay something in front of someone, to put forward
  • προ- · Ancient Greek — in front of
  • βάλλω · Ancient Greek — to throw, to cast, to hurl

From Middle English probleme. From Middle English probleme, from Middle French probleme, from Latin problēma, from Ancient Greek πρόβλημα (“anything thrown forward, hindrance, obstacle, anything projecting, a headland, promontory”), from προβάλλω (“to throw or lay something in front of someone, to put forward”), from προ- (“in front of”) + βάλλω (“to throw, to cast, to hurl”). a doublet of problema.

Etymology from Wiktionary, CC BY-SA

Practised in Big Ideas

Practise this word

problem in the wild

  • The P versus NP problem is a major unsolved problem in theoretical computer science.

    P versus NP problem

  • Informally, it asks whether every decision problem for which a proposed positive answer can be quickly verified can also be quickly solved.

    P versus NP problem

  • Most philosophers see the logical problem of evil as having been rebutted by various defenses.

    Problem of evil

  • Slightly modified, it appears as a sub-problem in many areas, such as DNA sequencing.

    Travelling salesman problem

  • In probability theory, the birthday problem asks for the probability that, in a set of n randomly chosen people, at least two will share the same birthday.

    Birthday problem

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

  • problematic
  • problem-solving