Pertaining to a confrontation; characterized by, or given to initiating hostile encounter; in-your-face.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "confrontational" in a sentence
"He wants her to give up the idea of international sanctions on Myanmar and he wants her change what he calls her confrontational stance."
"Mr. Churkin said that Moscow was firmly opposed to the threat of sanctions against Damascus, adding that what he described as the confrontational approach of the European delegations was "against the peaceful settlement of the crisis.""
"But rather than spell out what he calls the confrontational forms this 'European'"