1. (

• contentious ,
• combative ,
• disputatious ,
• disputative ,
• litigious

) inclined or showing an inclination to dispute or disagree, even to engage in law suits; "a style described as abrasive and contentious"; "a disputatious lawyer"; "a litigious and acrimonious spirit" ;

2. (

• agonistic ,
• agonistical ,
• combative

) striving to overcome in argument; "a dialectical and agonistic approach" ;

3. (

• battleful ,
• bellicose ,
• combative

) having or showing a ready disposition to fight; "bellicose young officers"; "a combative impulse"; "a contentious nature" ;