• Unch

    Origin

    Full definition of unch

    Noun

    unch

    (plural unches)
    1. (crossword puzzles) An unchecked square: one that is part of only one entry (i.e., across or down, but not both).
      • 1994 September 24, Ross Beresford , "symp10.zip - Crossword Grid Editor for MS Windows 3.1", comp.archives.msdos.announce, Usenet,The Sympathy Crossword Grid Editor supports:...o flagging of lights outside a configurable unch range
      • 2005 November 17, Colin Blackburn , "Re: 75 Years of the Times Crossword - quick review", rec.puzzles.crosswords, Usenet,From 1933 onwards the grids were standard grids. Then, for some reason, there was a blip in the late 1940s, a couple of the grids from that era had double unches and double checking.
      • 2006, Nikki Katz, Zen and the Art of Crossword Puzzles, Adams Media, ISBN 1593375638, pages 66–67,The bars and multitude of black squares are common in British puzzles because they allow unchecked letters (called unches)—or letters that don't need to cross with another answer.... There are rules regarding the unches, and traditionally every other letter in a solution should be checked with another letter.

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