acrimonious
ac·ri·mo·ni·ous
/ˌækrəˈmoʊnijəs/ adj [more ~; most ~]
formal : angry and bitter
an acrimonious debate
acrimonious disputes between nations
He went through an acrimonious divorce.
ac·ri·mo·ni·ous·ly adv
The issue was acrimoniously debated.
