adj.
Pronunciation: ˌ a-kr ə - ' m ō -n ē - ə s
Function: adjective
Date: 1659
: caustic, biting, or rancorous especially in feeling, language, or manner <an acrimonious dispute>
– ac · ri · mo · ni · ous · ly adverb
– ac · ri · mo · ni · ous · ness noun