Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
A puzzle in which a grid consisting of several regions is to be filled with numbers so that every row, column, and region contains only one instance of each number. The most common format is a grid of nine rows and columns that are divided into nine smaller regions of three rows and three columns into which the numbers 1 through 9 must be placed.
[Japanese sūdoku, contraction of sū(ji wa) doku(shin ni kagiru), the numbers are limited to a single occurrence (the phrase under which sudokus appeared in a magazine which popularized them in Japan in the 1980s) : sū(ji), number + doku(shin), single.]
(Other Non-sporting Hobbies) a type of puzzle in which numbers must be arranged within a grid containing several internal squares so that no number is repeated in the same row, column, or internal square
[C21: from Japanese su number + doku single]
Switch to new thesaurus
|Noun||1.||sudoku - a number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number|