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sudoku

American  
[soo-doh-koo] / sʊˈdoʊ ku /

noun

  1. a puzzle printed on a square grid of nine large squares each subdivided into nine smaller squares, the object of which is to fill in each of the 81 squares so that each column, row, and large square contains every number from 1 to 9.


sudoku British  
/ səˈdəʊkuː /

noun

  1. a type of puzzle in which numbers must be arranɡed within a ɡrid contaninɡ several internal squares so that no number is repeated in the same row, column, or internal square

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sudoku

2000–05; < Japanese sū- (< sūji number) + -doku (< dokushin being single)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Waiting for a concert to begin, she’ll chip away at crosswords, sudoku grids and the New York Times' Spelling Bee to keep her nerves at bay.

From BBC • Oct. 9, 2024

For her, it’s doing number puzzles like sudoku.

From Los Angeles Times • Feb. 14, 2024

It feels like solving sudoku or crossword puzzles in a newspaper, only without the pen.

From The Verge • Apr. 26, 2022

Harris also enjoys playing the mini New York Times crossword and sudoku.

From Salon • Apr. 19, 2022

It had reminded Candice of sudoku, a puzzle game her grandmother had first introduced her to.

From "The Parker Inheritance" by Varian Johnson