the GNU version of the Collaborative International Dictionary of English
adj. Disposed to dispute; inclined to cavil or to reason in opposition.
The Century Dictionary and Cyclopedia
Given to or characterized by disputation; disputatious; argumentative.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. inclined or showing an inclination to dispute or disagree, even to engage in law suits
Word Usage
"He's not running for governor and, although Jews are known for their disputative zest, the Reb doesn't look like he spends much time with people who disagree with him."