the GNU version of the Collaborative International Dictionary of English
n. The quality of being reversible.
The Century Dictionary and Cyclopedia
n. The property of being reversible; the capability of being reversed. Also reversability.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being reversible in either direction
Word Usage
"Russell said that this second principle has been called "reversibility" - a caretaker prime minister, as Harper will be during the election campaign, can't do anything that will tie the hands of a possible successor."