His rude behavior in public scandalized everyone present.

scandalized 是动词 scandalize 的过去式。scandalize 由名词 scandal（丑闻、丑事）加上动词后缀 -ize 构成，意思是"使震惊、使愤慨"，特指因违反道德或礼仪规范而引起强烈不满。