1. unch - Noun
2. unch - Adjective
unch (plural unches)
(crossword puzzles) An unchecked square: one that is part of only one entry (i.e., across or down, but not both).
unch (not comparable)
(stock markets) Abbreviation of unchanged (“of a stock price: having closed at the same price at which it opened”).
unch. (not comparable)
Abbreviation of unchanged.
unch.