adj. 25B6; adjective BITTER, angry, rancorous, caustic, acerbic, scathing, sarcastic, acid, harsh, sharp, cutting; virulent, spiteful, vicious, vitriolic, hostile, venomous, nasty, bad-tempered, ill-natured, mean, malign, malicious, malignant, waspish; informal bitchy, catty.
ACRIMONIOUS
Meaning of ACRIMONIOUS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012