- (n.) A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution or settlement; a doubtful case; a question involving doubt.
- (n.) Anything which is required to be done; as, in geometry, to bisect a line, to draw a perpendicular; or, in algebra, to find an unknown quantity.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). problem. Retrieved February 22, 2019, from http://smartdefine.org/problem/definitions/2049391 |
| Chicago | Webster's. 2011. "problem" http://smartdefine.org/problem/definitions/2049391 (accessed February 22, 2019). |
| Harvard | Webster's 2011, problem, Smart Define, viewed 22 February, 2019, <http://smartdefine.org/problem/definitions/2049391>. |
| MLA | Webster's. "problem" 27 May 2011. Web. 22 February 2019. <http://smartdefine.org/problem/definitions/2049391> |