acrimoniously
adverb
UK/ˌæk.rɪˈməʊ.ni.əs.li/
US/ˌæk.rəˈmoʊ.ni.əs.li/
Definitions of acrimoniously adverb
in a manner characterized by bitterness, anger, and hostility.
They argued acrimoniously during the meeting.
The two politicians acrimoniously accused each other during the televised debate.
The company dismissed the CEO, and the relationship ended acrimoniously.