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sudoku

[ soo-doh-koo ]

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

/ 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


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Word History and Origins

Origin of sudoku1

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

Origin of sudoku1

C21: from Japanese su number + doku single
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Example Sentences

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

After a gymnast friend put him on to "killer sudoku," Nedoroscik became the 43rd person in the world to solve a sudoku puzzle that claimed to be the "world's hardest."

From Salon

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

We all know the pleasure of solving a puzzle: the "click" of satisfaction when you complete a Wordle, crossword or sudoku.

From Salon

That’s part of the reason why I’ve enjoyed so many puzzle games on the handheld and why I’m dying for someone to make a sudoku app for it.

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