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Pronunciation varies by accent · noun
(crosswording) An unchecked square: one that is part of only one entry (i.e., across or down, but not both)..
The Sympathy Crossword Grid Editor supports: ... o flagging of lights outside a configurable unch range
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.
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.
Use unch when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Unch means (crosswording) An unchecked square: one that is part of only one entry (i.e., across or down, but not both)..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The Sympathy Crossword Grid Editor supports: ... o flagging of lights outside a configurable unch range
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