prob·lem

[prob-luhm]
noun
1.
any question or matter involving doubt, uncertainty, or difficulty.
2.
a question proposed for solution or discussion.
3.
Mathematics. a statement requiring a solution, usually by means of a mathematical operation or geometric construction.
adjective
4.
difficult to train or guide; unruly: a problem child.
5.
Literature. dealing with choices of action difficult either for an individual or for society at large: a problem play.
00:10
Problem is always a great word to know.
So is divide. Does it mean:
to separate into equal parts by the process of mathematical division
a series of points as in forming a curve or surface, each of which represents a value of a given function, a network of lines connecting points
6.
no problem, (used as a conventional reply to a request or to express confirmation, affirmation, or gratitude).

Origin:
1350–1400; Middle English probleme < Latin problēma < Greek próblēma orig., obstacle, (akin to probállein to throw or lay before), equivalent to pro- pro-2 + -blē-, variant stem of bállein to throw (cf. parabola) + -ma noun suffix of result

sub·prob·lem, noun


1, 2. puzzle, riddle, enigma.


1. certitude.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
problem (ˈprɒbləm) [Click for IPA pronunciation guide]
 
n
1.  a.  any thing, matter, person, etc, that is difficult to deal with, solve, or overcome
 b.  (as modifier): a problem child
2.  a puzzle, question, etc, set for solution
3.  maths a statement requiring a solution usually by means of one or more operations or geometric constructions
4.  (modifier) designating a literary work that deals with difficult moral questions: a problem play
 
[C14: from Late Latin problēma, from Greek: something put forward; related to proballein to throw forwards, from pro-² + ballein to throw]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

problem
1382, "a difficult question proposed for solution," from O.Fr. problème (14c.), from L. problema, from Gk. problema "a problem, a question," lit. "thing put forward," from proballein "propose," from pro "forward" + ballein "to throw" (see ballistics). Problem child first recorded 1920.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Idioms & Phrases

problem

see no problem.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
It's expected that the organs of these modified pigs could be transplanted into
  people without the problem of tissue rejection.
The deterioration of our vision with age is invariably the result of a problem
  with one of these four structures.
Losing e-mail can be a serious problem for both the public and private sector.
That's no problem for the box that starts with low entropy, as there is no
  delicate tuning required to make the entropy go up.
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