acrimonious
adjective formal uk/ˌæk.rɪˈməʊ.ni.əs/ us/ˌæk.rəˈmoʊ.ni.əs/
激烈的；尖刻的；充满火药味的
full of anger, arguments, and bad feeling
an acrimonious dispute 激烈的争论
Their marriage ended eight years ago in an acrimonious divorce. 8年前，他们的婚姻以沸沸扬扬的离婚收场。