the GNU version of the Collaborative International Dictionary of English
adj. Not reversible or capable of having either side out; -- used mostly of clothing. Opposite of reversible.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not reversible or capable of having either side out
Word Usage
"The workers dispatched the easy decisions quickly, whether they were reversible or not, and they spent only slightly more time on the hard, nonreversible decisions."