sudoku
/səˈdoʊku/
noun
- A number puzzle game in which the player fills a 9x9 grid with digits 1 through 9 so that each column, row, and 3x3 box contains all digits exactly once.
- The newspaper has a daily sudoku on the comics page.
- I do a sudoku puzzle every morning to keep my brain sharp.
- She finished the hard sudoku in under ten minutes.
Synonyms