the GNU version of the Collaborative International Dictionary of English
adj. Tending to, or involving, retaliation; retaliative; as retaliatory measures.
The Century Dictionary and Cyclopedia
Pertaining to or of the nature of retaliation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to or having the nature of retribution
Word Usage
"Russia's president, Vladimir Putin, warned that Russia could take what he called retaliatory steps if the United States were to go forward with its missile shield plan in Europe."