C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/
acrimonious
苦くて怒りに満ちた
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
論争は物議を醸す発言の後、アクリモニアスになった。